145854937938 has 32 divisors (see below), whose sum is σ = 304224238080. Its totient is φ = 46564922880.

The previous prime is 145854937909. The next prime is 145854937957. The reversal of 145854937938 is 839739458541.

It is a happy number.

It is a super-3 number, since 3×145854937938³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4024053 + ... + 4060136.

It is an arithmetic number, because the mean of its divisors is an integer number (9507007440).

Almost surely, 2^145854937938 is an apocalyptic number.

145854937938 is an abundant number, since it is smaller than the sum of its proper divisors (158369300142).

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

145854937938 is a wasteful number, since it uses less digits than its factorization.

145854937938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084322.

The product of its digits is 130636800, while the sum is 66.

The spelling of 145854937938 in words is "one hundred forty-five billion, eight hundred fifty-four million, nine hundred thirty-seven thousand, nine hundred thirty-eight".