45045531130 has 16 divisors (see below), whose sum is σ = 82411169544. Its totient is φ = 17722831680.

The previous prime is 45045531079. The next prime is 45045531173. The reversal of 45045531130 is 3113554054.

It can be written as a sum of positive squares in 4 ways, for example, as 36225128241 + 8820402889 = 190329^2 + 93917^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45045531092 and 45045531101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36921957 + ... + 36923176.

Almost surely, 2^45045531130 is an apocalyptic number.

45045531130 is a deficient number, since it is larger than the sum of its proper divisors (37365638414).

45045531130 is a wasteful number, since it uses less digits than its factorization.

45045531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73845201.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 45045531130 in words is "forty-five billion, forty-five million, five hundred thirty-one thousand, one hundred thirty".