30165523142 has 32 divisors (see below), whose sum is σ = 47373258240. Its totient is φ = 14393040480.

The previous prime is 30165523123. The next prime is 30165523159. The reversal of 30165523142 is 24132556103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30165523099 and 30165523108.

It is a congruent number.

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, 1075517 + ... + 1103207.

It is an arithmetic number, because the mean of its divisors is an integer number (1480414320).

Almost surely, 2^30165523142 is an apocalyptic number.

30165523142 is a deficient number, since it is larger than the sum of its proper divisors (17207735098).

30165523142 is a wasteful number, since it uses less digits than its factorization.

30165523142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28028.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 30165523142 in words is "thirty billion, one hundred sixty-five million, five hundred twenty-three thousand, one hundred forty-two".