30125745146 has 64 divisors (see below), whose sum is σ = 55011840000. Its totient is φ = 12086236800.

The previous prime is 30125745109. The next prime is 30125745163. The reversal of 30125745146 is 64154752103.

It is a super-2 number, since 2×30125745146² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7991150 + ... + 7994918.

It is an arithmetic number, because the mean of its divisors is an integer number (859560000).

Almost surely, 2^30125745146 is an apocalyptic number.

30125745146 is a deficient number, since it is larger than the sum of its proper divisors (24886094854).

30125745146 is a wasteful number, since it uses less digits than its factorization.

30125745146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 30125745146 in words is "thirty billion, one hundred twenty-five million, seven hundred forty-five thousand, one hundred forty-six".