45000237 has 4 divisors (see below), whose sum is σ = 60000320. Its totient is φ = 30000156.

The previous prime is 45000229. The next prime is 45000239. The reversal of 45000237 is 73200054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45000237 - 2³ = 45000229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000239) 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, 7500037 + ... + 7500042.

It is an arithmetic number, because the mean of its divisors is an integer number (15000080).

Almost surely, 2^45000237 is an apocalyptic number.

It is an amenable number.

45000237 is a deficient number, since it is larger than the sum of its proper divisors (15000083).

45000237 is a wasteful number, since it uses less digits than its factorization.

45000237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000082.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 45000237 is about 6708.2215974131. The cubic root of 45000237 is about 355.6899548803.

The spelling of 45000237 in words is "forty-five million, two hundred thirty-seven", and thus it is an aban number.