30172860143146 has 16 divisors (see below), whose sum is σ = 51727719730176. Its totient is φ = 12930521618736.

The previous prime is 30172860143143. The next prime is 30172860143149. The reversal of 30172860143146 is 64134106827103.

It is an interprime number because it is at equal distance from previous prime (30172860143143) and next prime (30172860143149).

It is a super-2 number, since 2×30172860143146² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30172860143096 and 30172860143105.

It is not an unprimeable number, because it can be changed into a prime (30172860143143) 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, 58413421 + ... + 58927696.

It is an arithmetic number, because the mean of its divisors is an integer number (3232982483136).

Almost surely, 2^{30172860143146} is an apocalyptic number.

30172860143146 is a deficient number, since it is larger than the sum of its proper divisors (21554859587030).

30172860143146 is a wasteful number, since it uses less digits than its factorization.

30172860143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117359493.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 30172860143146 in words is "thirty trillion, one hundred seventy-two billion, eight hundred sixty million, one hundred forty-three thousand, one hundred forty-six".