45437 has 4 divisors (see below), whose sum is σ = 51936. Its totient is φ = 38940.

The previous prime is 45433. The next prime is 45439. The reversal of 45437 is 73454.

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 a cyclic number.

It is not a de Polignac number, because 45437 - 2² = 45433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45437.

It is not an unprimeable number, because it can be changed into a prime (45433) 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, 3239 + ... + 3252.

It is an arithmetic number, because the mean of its divisors is an integer number (12984).

2⁴⁵⁴³⁷ is an apocalyptic number.

It is an amenable number.

45437 is a deficient number, since it is larger than the sum of its proper divisors (6499).

45437 is an equidigital number, since it uses as much as digits as its factorization.

45437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498.

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

The square root of 45437 is about 213.1595646458. The cubic root of 45437 is about 35.6837002906.

The spelling of 45437 in words is "forty-five thousand, four hundred thirty-seven".