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145115360 = 2551369767
BaseRepresentation
bin10001010011001…
…00100011100000
3101010001121211222
420221210203200
5244122142420
622222154212
73411313565
oct1051444340
9333047758
10145115360
1174a06355
1240722968
13240ab7a0
14153b686c
15cb17225
hex8a648e0

145115360 has 48 divisors (see below), whose sum is σ = 369212256. Its totient is φ = 53580288.

The previous prime is 145115357. The next prime is 145115363. The reversal of 145115360 is 63511541.

It is an interprime number because it is at equal distance from previous prime (145115357) and next prime (145115363).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32804 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (7691922).

Almost surely, 2145115360 is an apocalyptic number.

145115360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145115360 is an abundant number, since it is smaller than the sum of its proper divisors (224096896).

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

145115360 is a wasteful number, since it uses less digits than its factorization.

145115360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69795 (or 69787 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 145115360 is about 12046.3836897220. The cubic root of 145115360 is about 525.4980730528.

The spelling of 145115360 in words is "one hundred forty-five million, one hundred fifteen thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 69767 139534 279068 348835 558136 697670 906971 1116272 1395340 1813942 2232544 2790680 3627884 4534855 5581360 7255768 9069710 11162720 14511536 18139420 29023072 36278840 72557680 145115360