45781556155 has 16 divisors (see below), whose sum is σ = 58342152960. Its totient is φ = 34368509952.

The previous prime is 45781556141. The next prime is 45781556173. The reversal of 45781556155 is 55165518754.

It is not a de Polignac number, because 45781556155 - 2¹³ = 45781547963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770475 + ... + 827764.

It is an arithmetic number, because the mean of its divisors is an integer number (3646384560).

Almost surely, 2^45781556155 is an apocalyptic number.

45781556155 is a deficient number, since it is larger than the sum of its proper divisors (12560596805).

45781556155 is a wasteful number, since it uses less digits than its factorization.

45781556155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598598.

The product of its digits is 4200000, while the sum is 52.

The spelling of 45781556155 in words is "forty-five billion, seven hundred eighty-one million, five hundred fifty-six thousand, one hundred fifty-five".