45158257830 has 64 divisors (see below), whose sum is σ = 124554723840. Its totient is φ = 10264214784.

The previous prime is 45158257829. The next prime is 45158257873. The reversal of 45158257830 is 3875285154.

It is a self number, because there is not a number n which added to its sum of digits gives 45158257830.

It is a congruent 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, 563079 + ... + 638258.

It is an arithmetic number, because the mean of its divisors is an integer number (1946167560).

Almost surely, 2^45158257830 is an apocalyptic number.

45158257830 is an abundant number, since it is smaller than the sum of its proper divisors (79396466010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45158257830 is a wasteful number, since it uses less digits than its factorization.

45158257830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201533.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 45158257830 in words is "forty-five billion, one hundred fifty-eight million, two hundred fifty-seven thousand, eight hundred thirty".