45891380 has 24 divisors (see below), whose sum is σ = 98007840. Its totient is φ = 18044960.

The previous prime is 45891367. The next prime is 45891389. The reversal of 45891380 is 8319854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45891389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18266 + ... + 20625.

It is an arithmetic number, because the mean of its divisors is an integer number (4083660).

Almost surely, 2^45891380 is an apocalyptic number.

It is an amenable number.

45891380 is an abundant number, since it is smaller than the sum of its proper divisors (52116460).

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

45891380 is a wasteful number, since it uses less digits than its factorization.

45891380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38959 (or 38957 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 45891380 is about 6774.3176778182. The cubic root of 45891380 is about 358.0225426126.

The spelling of 45891380 in words is "forty-five million, eight hundred ninety-one thousand, three hundred eighty".