45837931 has 4 divisors (see below), whose sum is σ = 47076832. Its totient is φ = 44599032.

The previous prime is 45837923. The next prime is 45837943. The reversal of 45837931 is 13973854.

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 45837931 - 2³ = 45837923 is a prime.

It is a super-2 number, since 2×45837931² = 4202231836721522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45837971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619395 + ... + 619468.

It is an arithmetic number, because the mean of its divisors is an integer number (11769208).

Almost surely, 2^45837931 is an apocalyptic number.

45837931 is a deficient number, since it is larger than the sum of its proper divisors (1238901).

45837931 is a wasteful number, since it uses less digits than its factorization.

45837931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238900.

The product of its digits is 90720, while the sum is 40.

The square root of 45837931 is about 6770.3715555352. The cubic root of 45837931 is about 357.8834941261.

The spelling of 45837931 in words is "forty-five million, eight hundred thirty-seven thousand, nine hundred thirty-one".