45616278 has 16 divisors (see below), whose sum is σ = 91347120. Its totient is φ = 15186336.

The previous prime is 45616267. The next prime is 45616279. The reversal of 45616278 is 87261654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45616279) by changing a digit.

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, 928 + ... + 9596.

It is an arithmetic number, because the mean of its divisors is an integer number (5709195).

Almost surely, 2^45616278 is an apocalyptic number.

45616278 is an abundant number, since it is smaller than the sum of its proper divisors (45730842).

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

45616278 is a wasteful number, since it uses less digits than its factorization.

45616278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551.

The product of its digits is 80640, while the sum is 39.

The square root of 45616278 is about 6753.9823807884. The cubic root of 45616278 is about 357.3057036708.

The spelling of 45616278 in words is "forty-five million, six hundred sixteen thousand, two hundred seventy-eight".