45524731 has 4 divisors (see below), whose sum is σ = 52028272. Its totient is φ = 39021192.

The previous prime is 45524729. The next prime is 45524737. The reversal of 45524731 is 13742554.

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

It is not a de Polignac number, because 45524731 - 2¹ = 45524729 is a prime.

It is a super-2 number, since 2×45524731² = 4145002265244722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45524693 and 45524702.

It is not an unprimeable number, because it can be changed into a prime (45524737) 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, 3251760 + ... + 3251773.

It is an arithmetic number, because the mean of its divisors is an integer number (13007068).

Almost surely, 2^45524731 is an apocalyptic number.

45524731 is a deficient number, since it is larger than the sum of its proper divisors (6503541).

45524731 is an equidigital number, since it uses as much as digits as its factorization.

45524731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503540.

The product of its digits is 16800, while the sum is 31.

The square root of 45524731 is about 6747.2017162673. The cubic root of 45524731 is about 357.0665187926.

The spelling of 45524731 in words is "forty-five million, five hundred twenty-four thousand, seven hundred thirty-one".