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145566260 = 22572148537
BaseRepresentation
bin10001010110100…
…10101000110100
3101010220112100222
420223102220310
5244231110020
622235553512
73415202300
oct1053225064
9333815328
10145566260
11751940a4
12408bb898
1324208aa8
1415492d00
15cba5b25
hex8ad2a34

145566260 has 36 divisors (see below), whose sum is σ = 355599972. Its totient is φ = 49908096.

The previous prime is 145566229. The next prime is 145566263. The reversal of 145566260 is 62665541.

145566260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15697444 + 129868816 = 3962^2 + 11396^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 145566260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145566263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73289 + ... + 75248.

It is an arithmetic number, because the mean of its divisors is an integer number (9877777).

Almost surely, 2145566260 is an apocalyptic number.

145566260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145566260 is an abundant number, since it is smaller than the sum of its proper divisors (210033712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145566260 is a wasteful number, since it uses less digits than its factorization.

145566260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148560 (or 148551 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 145566260 is about 12065.0843345581. The cubic root of 145566260 is about 526.0417832230.

The spelling of 145566260 in words is "one hundred forty-five million, five hundred sixty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 148537 297074 594148 742685 1039759 1485370 2079518 2970740 4159036 5198795 7278313 10397590 14556626 20795180 29113252 36391565 72783130 145566260