45191429090 has 16 divisors (see below), whose sum is σ = 81377940600. Its totient is φ = 18069156480.

The previous prime is 45191429083. The next prime is 45191429099. The reversal of 45191429090 is 9092419154.

It can be written as a sum of positive squares in 4 ways, for example, as 14992288249 + 30199140841 = 122443^2 + 173779^2 .

It is not an unprimeable number, because it can be changed into a prime (45191429099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901265 + ... + 950084.

Almost surely, 2^45191429090 is an apocalyptic number.

45191429090 is a deficient number, since it is larger than the sum of its proper divisors (36186511510).

45191429090 is a wasteful number, since it uses less digits than its factorization.

45191429090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853797.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 45191429090 in words is "forty-five billion, one hundred ninety-one million, four hundred twenty-nine thousand, ninety".