45907 has 4 divisors (see below), whose sum is σ = 47520. Its totient is φ = 44296.

The previous prime is 45893. The next prime is 45943. The reversal of 45907 is 70954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45907 - 2⁷ = 45779 is a prime.

It is a Duffinian number.

45907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (45007) 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, 763 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (11880).

2⁴⁵⁹⁰⁷ is an apocalyptic number.

45907 is a deficient number, since it is larger than the sum of its proper divisors (1613).

45907 is a wasteful number, since it uses less digits than its factorization.

45907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 45907 is about 214.2591888345. The cubic root of 45907 is about 35.8063157922.

The spelling of 45907 in words is "forty-five thousand, nine hundred seven".