30551142143545 has 32 divisors (see below), whose sum is σ = 36939938660352. Its totient is φ = 24255980667072.

The previous prime is 30551142143477. The next prime is 30551142143573. The reversal of 30551142143545 is 54534124115503.

It is a cyclic number.

It is not a de Polignac number, because 30551142143545 - 2³⁹ = 30001386329657 is a prime.

It is a Duffinian number.

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, 561131094 + ... + 561185536.

It is an arithmetic number, because the mean of its divisors is an integer number (1154373083136).

Almost surely, 2^{30551142143545} is an apocalyptic number.

It is an amenable number.

30551142143545 is a deficient number, since it is larger than the sum of its proper divisors (6388796516807).

30551142143545 is a wasteful number, since it uses less digits than its factorization.

30551142143545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56221.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 30551142143545 in words is "thirty trillion, five hundred fifty-one billion, one hundred forty-two million, one hundred forty-three thousand, five hundred forty-five".