30745500144 has 40 divisors (see below), whose sum is σ = 84097987920. Its totient is φ = 9645646848.

The previous prime is 30745500109. The next prime is 30745500223. The reversal of 30745500144 is 44100554703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18838339 + ... + 18839970.

It is an arithmetic number, because the mean of its divisors is an integer number (2102449698).

Almost surely, 2^30745500144 is an apocalyptic number.

30745500144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30745500144 is an abundant number, since it is smaller than the sum of its proper divisors (53352487776).

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

30745500144 is a wasteful number, since it uses less digits than its factorization.

30745500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37678337 (or 37678331 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 30745500144 in words is "thirty billion, seven hundred forty-five million, five hundred thousand, one hundred forty-four".