45315484138 has 8 divisors (see below), whose sum is σ = 71971651332. Its totient is φ = 21324933696.

The previous prime is 45315484099. The next prime is 45315484157. The reversal of 45315484138 is 83148451354.

It can be written as a sum of positive squares in 2 ways, for example, as 34869213289 + 10446270849 = 186733^2 + 102207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45315484138² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666404145 + ... + 666404212.

Almost surely, 2^45315484138 is an apocalyptic number.

45315484138 is a deficient number, since it is larger than the sum of its proper divisors (26656167194).

45315484138 is a wasteful number, since it uses less digits than its factorization.

45315484138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332808376.

The product of its digits is 921600, while the sum is 46.

The spelling of 45315484138 in words is "forty-five billion, three hundred fifteen million, four hundred eighty-four thousand, one hundred thirty-eight".