45371880 has 128 divisors (see below), whose sum is σ = 154915200. Its totient is φ = 11805696.

The previous prime is 45371849. The next prime is 45371897. The reversal of 45371880 is 8817354.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45952 + ... + 46928.

It is an arithmetic number, because the mean of its divisors is an integer number (1210275).

Almost surely, 2^45371880 is an apocalyptic number.

45371880 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 45371880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77457600).

45371880 is an abundant number, since it is smaller than the sum of its proper divisors (109543320).

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

45371880 is a wasteful number, since it uses less digits than its factorization.

45371880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 45371880 is about 6735.8652005514. The cubic root of 45371880 is about 356.6664492773. Note that the first 3 decimals are identical.

The spelling of 45371880 in words is "forty-five million, three hundred seventy-one thousand, eight hundred eighty".