45139160 has 64 divisors (see below), whose sum is σ = 111624480. Its totient is φ = 16291840.

The previous prime is 45139151. The next prime is 45139187. The reversal of 45139160 is 6193154.

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 15 ways as a sum of consecutive naturals, for example, 75824 + ... + 76416.

Almost surely, 2^45139160 is an apocalyptic number.

45139160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45139160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55812240).

45139160 is an abundant number, since it is smaller than the sum of its proper divisors (66485320).

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

45139160 is a wasteful number, since it uses less digits than its factorization.

45139160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 45139160 is about 6718.5682998687. The cubic root of 45139160 is about 356.0556029802.

The spelling of 45139160 in words is "forty-five million, one hundred thirty-nine thousand, one hundred sixty".