45631554 has 16 divisors (see below), whose sum is σ = 91452000. Its totient is φ = 15179040.

The previous prime is 45631543. The next prime is 45631561. The reversal of 45631554 is 45513654.

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, 4627 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (5715750).

Almost surely, 2^45631554 is an apocalyptic number.

45631554 is an abundant number, since it is smaller than the sum of its proper divisors (45820446).

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

45631554 is a wasteful number, since it uses less digits than its factorization.

45631554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745.

The product of its digits is 36000, while the sum is 33.

The square root of 45631554 is about 6755.1131744775. The cubic root of 45631554 is about 357.3455841184.

The spelling of 45631554 in words is "forty-five million, six hundred thirty-one thousand, five hundred fifty-four".