45137620 has 24 divisors (see below), whose sum is σ = 103406688. Its totient is φ = 16413600.

The previous prime is 45137593. The next prime is 45137623. The reversal of 45137620 is 2673154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45137623) 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, 102366 + ... + 102805.

It is an arithmetic number, because the mean of its divisors is an integer number (4308612).

Almost surely, 2^45137620 is an apocalyptic number.

It is an amenable number.

45137620 is an abundant number, since it is smaller than the sum of its proper divisors (58269068).

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

45137620 is a wasteful number, since it uses less digits than its factorization.

45137620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205191 (or 205189 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 45137620 is about 6718.4536911405. The cubic root of 45137620 is about 356.0515537846.

The spelling of 45137620 in words is "forty-five million, one hundred thirty-seven thousand, six hundred twenty".