45445155042 has 32 divisors (see below), whose sum is σ = 103881670272. Its totient is φ = 12983451264.

The previous prime is 45445155017. The next prime is 45445155043. The reversal of 45445155042 is 24055154454.

It is not an unprimeable number, because it can be changed into a prime (45445155043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836038 + ... + 888734.

It is an arithmetic number, because the mean of its divisors is an integer number (3246302196).

Almost surely, 2^45445155042 is an apocalyptic number.

45445155042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45445155042 is an abundant number, since it is smaller than the sum of its proper divisors (58436515230).

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

45445155042 is a wasteful number, since it uses less digits than its factorization.

45445155042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73242.

The product of its (nonzero) digits is 320000, while the sum is 39.

The spelling of 45445155042 in words is "forty-five billion, four hundred forty-five million, one hundred fifty-five thousand, forty-two".