45136625 has 8 divisors (see below), whose sum is σ = 56330664. Its totient is φ = 36109200.

The previous prime is 45136601. The next prime is 45136631. The reversal of 45136625 is 52663154.

It can be written as a sum of positive squares in 4 ways, for example, as 1787569 + 43349056 = 1337^2 + 6584^2 .

It is not a de Polignac number, because 45136625 - 2⁶ = 45136561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45136591 and 45136600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180422 + ... + 180671.

It is an arithmetic number, because the mean of its divisors is an integer number (7041333).

Almost surely, 2^45136625 is an apocalyptic number.

It is an amenable number.

45136625 is a deficient number, since it is larger than the sum of its proper divisors (11194039).

45136625 is an equidigital number, since it uses as much as digits as its factorization.

45136625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361108 (or 361098 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 45136625 is about 6718.3796409551. The cubic root of 45136625 is about 356.0489375346.

Adding to 45136625 its reverse (52663154), we get a palindrome (97799779).

The spelling of 45136625 in words is "forty-five million, one hundred thirty-six thousand, six hundred twenty-five".