45071525 has 12 divisors (see below), whose sum is σ = 57189792. Its totient is φ = 35217840.

The previous prime is 45071491. The next prime is 45071527. The reversal of 45071525 is 52517054.

It is not a de Polignac number, because 45071525 - 2¹⁸ = 44809381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45071527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19889 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (4765816).

Almost surely, 2^45071525 is an apocalyptic number.

It is an amenable number.

45071525 is a deficient number, since it is larger than the sum of its proper divisors (12118267).

45071525 is a wasteful number, since it uses less digits than its factorization.

45071525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41980 (or 41975 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 45071525 is about 6713.5329745224. The cubic root of 45071525 is about 355.8776801705.

Adding to 45071525 its reverse (52517054), we get a palindrome (97588579).

The spelling of 45071525 in words is "forty-five million, seventy-one thousand, five hundred twenty-five".