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145107822 = 23292149193
BaseRepresentation
bin10001010011000…
…10101101101110
3101010001020111210
420221202231232
5244121422242
622222055250
73411252606
oct1051425556
9333036453
10145107822
1174a00722
124071a526
13240a8222
14153b3c06
15cb14d9c
hex8a62b6e

145107822 has 48 divisors (see below), whose sum is σ = 304153200. Its totient is φ = 46147584.

The previous prime is 145107791. The next prime is 145107827. The reversal of 145107822 is 228701541.

145107822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145107822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145107827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751758 + ... + 751950.

It is an arithmetic number, because the mean of its divisors is an integer number (6336525).

Almost surely, 2145107822 is an apocalyptic number.

145107822 is an abundant number, since it is smaller than the sum of its proper divisors (159045378).

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

145107822 is a wasteful number, since it uses less digits than its factorization.

145107822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 145107822 is about 12046.0708116796. The cubic root of 145107822 is about 525.4889739171.

The spelling of 145107822 in words is "one hundred forty-five million, one hundred seven thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 149 174 193 298 386 447 579 841 894 1158 1682 2523 4321 5046 5597 8642 11194 12963 16791 25926 28757 33582 57514 86271 125309 162313 172542 250618 324626 375927 486939 751854 833953 973878 1667906 2501859 5003718 24184637 48369274 72553911 145107822