45524381 has 6 divisors (see below), whose sum is σ = 52956990. Its totient is φ = 39020856.

The previous prime is 45524377. The next prime is 45524411. The reversal of 45524381 is 18342554.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 1301881 = 6650^2 + 1141^2 .

It is not a de Polignac number, because 45524381 - 2² = 45524377 is a prime.

It is a super-2 number, since 2×45524381² = 4144938530866322, 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 (45524371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464486 + ... + 464583.

It is an arithmetic number, because the mean of its divisors is an integer number (8826165).

Almost surely, 2^45524381 is an apocalyptic number.

It is an amenable number.

45524381 is a deficient number, since it is larger than the sum of its proper divisors (7432609).

45524381 is an equidigital number, since it uses as much as digits as its factorization.

45524381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929083 (or 929076 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 45524381 is about 6747.1757795392. The cubic root of 45524381 is about 357.0656037325.

The spelling of 45524381 in words is "forty-five million, five hundred twenty-four thousand, three hundred eighty-one".