45451316 has 24 divisors (see below), whose sum is σ = 81443880. Its totient is φ = 22186112.

The previous prime is 45451309. The next prime is 45451327. The reversal of 45451316 is 61315454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2496400 + 42954916 = 1580^2 + 6554^2 .

It is a super-2 number, since 2×45451316² = 4131644252263712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56630 + ... + 57426.

It is an arithmetic number, because the mean of its divisors is an integer number (3393495).

Almost surely, 2^45451316 is an apocalyptic number.

It is an amenable number.

45451316 is a deficient number, since it is larger than the sum of its proper divisors (35992564).

45451316 is a wasteful number, since it uses less digits than its factorization.

45451316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1121 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 45451316 is about 6741.7591176191. The cubic root of 45451316 is about 356.8744756122.

The spelling of 45451316 in words is "forty-five million, four hundred fifty-one thousand, three hundred sixteen".