45451525 has 12 divisors (see below), whose sum is σ = 64411552. Its totient is φ = 31166640.

The previous prime is 45451517. The next prime is 45451537. The reversal of 45451525 is 52515454.

It is not a de Polignac number, because 45451525 - 2³ = 45451517 is a prime.

It is a super-2 number, since 2×45451525² = 4131682249651250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 129687 + ... + 130036.

Almost surely, 2^45451525 is an apocalyptic number.

It is an amenable number.

45451525 is a deficient number, since it is larger than the sum of its proper divisors (18960027).

45451525 is a wasteful number, since it uses less digits than its factorization.

45451525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259740 (or 259735 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 45451525 is about 6741.7746180067. The cubic root of 45451525 is about 356.8750226199.

Adding to 45451525 its reverse (52515454), we get a palindrome (97966979).

The spelling of 45451525 in words is "forty-five million, four hundred fifty-one thousand, five hundred twenty-five".