145799657146 has 16 divisors (see below), whose sum is σ = 256933662048. Its totient is φ = 61174681200.

The previous prime is 145799657141. The next prime is 145799657203. The reversal of 145799657146 is 641756997541.

It is a super-2 number, since 2×145799657146² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145799657141) 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, 254894220 + ... + 254894791.

It is an arithmetic number, because the mean of its divisors is an integer number (16058353878).

Almost surely, 2^145799657146 is an apocalyptic number.

145799657146 is a deficient number, since it is larger than the sum of its proper divisors (111134004902).

145799657146 is a wasteful number, since it uses less digits than its factorization.

145799657146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509789037.

The product of its digits is 57153600, while the sum is 64.

The spelling of 145799657146 in words is "one hundred forty-five billion, seven hundred ninety-nine million, six hundred fifty-seven thousand, one hundred forty-six".