45937391 has 4 divisors (see below), whose sum is σ = 45994032. Its totient is φ = 45880752.

The previous prime is 45937351. The next prime is 45937427. The reversal of 45937391 is 19373954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19373954 = 2 ⋅9686977.

It is a cyclic number.

It is not a de Polignac number, because 45937391 - 2⁶ = 45937327 is a prime.

It is a super-2 number, since 2×45937391² = 4220487783773762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45937351) 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, 27086 + ... + 28731.

It is an arithmetic number, because the mean of its divisors is an integer number (11498508).

Almost surely, 2^45937391 is an apocalyptic number.

45937391 is a deficient number, since it is larger than the sum of its proper divisors (56641).

45937391 is an equidigital number, since it uses as much as digits as its factorization.

45937391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56640.

The product of its digits is 102060, while the sum is 41.

The square root of 45937391 is about 6777.7128148071. The cubic root of 45937391 is about 358.1421545671.

It can be divided in two parts, 4 and 5937391, that added together give a palindrome (5937395).

The spelling of 45937391 in words is "forty-five million, nine hundred thirty-seven thousand, three hundred ninety-one".