45037040 has 20 divisors (see below), whose sum is σ = 104711304. Its totient is φ = 18014784.

The previous prime is 45037033. The next prime is 45037043. The reversal of 45037040 is 4073054.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 45036997 and 45037015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45037043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281402 + ... + 281561.

Almost surely, 2^45037040 is an apocalyptic number.

45037040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45037040 is an abundant number, since it is smaller than the sum of its proper divisors (59674264).

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

45037040 is a wasteful number, since it uses less digits than its factorization.

45037040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562976 (or 562970 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45037040 is about 6710.9641632183. The cubic root of 45037040 is about 355.7868942986.

The spelling of 45037040 in words is "forty-five million, thirty-seven thousand, forty".