30045557451 has 48 divisors (see below), whose sum is σ = 52037309184. Its totient is φ = 15014040768.

The previous prime is 30045557449. The next prime is 30045557473. The reversal of 30045557451 is 15475554003.

It is not a de Polignac number, because 30045557451 - 2¹ = 30045557449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30045557401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53881 + ... + 250986.

It is an arithmetic number, because the mean of its divisors is an integer number (1084110608).

Almost surely, 2^30045557451 is an apocalyptic number.

30045557451 is a deficient number, since it is larger than the sum of its proper divisors (21991751733).

30045557451 is a wasteful number, since it uses less digits than its factorization.

30045557451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304928 (or 304909 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The spelling of 30045557451 in words is "thirty billion, forty-five million, five hundred fifty-seven thousand, four hundred fifty-one".