45392481 has 20 divisors (see below), whose sum is σ = 67990384. Its totient is φ = 30180600.

The previous prime is 45392471. The next prime is 45392483. The reversal of 45392481 is 18429354.

It is not a de Polignac number, because 45392481 - 2⁵ = 45392449 is a prime.

It is a super-2 number, since 2×45392481² = 4120954662670722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45392483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55566 + ... + 56376.

Almost surely, 2^45392481 is an apocalyptic number.

It is an amenable number.

45392481 is a deficient number, since it is larger than the sum of its proper divisors (22597903).

45392481 is an equidigital number, since it uses as much as digits as its factorization.

45392481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1505 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 45392481 is about 6737.3942292254. The cubic root of 45392481 is about 356.7204223089.

The spelling of 45392481 in words is "forty-five million, three hundred ninety-two thousand, four hundred eighty-one".