30143561137492 has 24 divisors (see below), whose sum is σ = 57561742197792. Its totient is φ = 13698060684000.

The previous prime is 30143561137483. The next prime is 30143561137493. The reversal of 30143561137492 is 29473116534103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143561137493) 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, 88779003 + ... + 89117890.

It is an arithmetic number, because the mean of its divisors is an integer number (2398405924908).

Almost surely, 2^{30143561137492} is an apocalyptic number.

It is an amenable number.

30143561137492 is a deficient number, since it is larger than the sum of its proper divisors (27418181060300).

30143561137492 is a wasteful number, since it uses less digits than its factorization.

30143561137492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177900759 (or 177900757 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 30143561137492 in words is "thirty trillion, one hundred forty-three billion, five hundred sixty-one million, one hundred thirty-seven thousand, four hundred ninety-two".