145692518031 has 12 divisors (see below), whose sum is σ = 213108606880. Its totient is φ = 95898872160.

The previous prime is 145692518021. The next prime is 145692518033. The reversal of 145692518031 is 130815296541.

It is a happy number.

145692518031 is a `hidden beast` number, since 1 + 4 + 569 + 2 + 5 + 1 + 80 + 3 + 1 = 666.

It is not a de Polignac number, because 145692518031 - 2⁶ = 145692517967 is a prime.

It is a super-2 number, since 2×145692518031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145692518033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102455350 + ... + 102456771.

Almost surely, 2^145692518031 is an apocalyptic number.

145692518031 is a deficient number, since it is larger than the sum of its proper divisors (67416088849).

145692518031 is a wasteful number, since it uses less digits than its factorization.

145692518031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204912206 (or 204912203 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 145692518031 in words is "one hundred forty-five billion, six hundred ninety-two million, five hundred eighteen thousand, thirty-one".