145023033556 has 24 divisors (see below), whose sum is σ = 258608972160. Its totient is φ = 71135075232.

The previous prime is 145023033523. The next prime is 145023033557. The reversal of 145023033556 is 655330320541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145023033557) 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, 2035585 + ... + 2105623.

It is an arithmetic number, because the mean of its divisors is an integer number (10775373840).

Almost surely, 2^145023033556 is an apocalyptic number.

It is an amenable number.

145023033556 is a deficient number, since it is larger than the sum of its proper divisors (113585938604).

145023033556 is a wasteful number, since it uses less digits than its factorization.

145023033556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79863 (or 79861 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 145023033556 in words is "one hundred forty-five billion, twenty-three million, thirty-three thousand, five hundred fifty-six".