45102525 has 48 divisors (see below), whose sum is σ = 81078144. Its totient is φ = 21991680.

The previous prime is 45102521. The next prime is 45102527. The reversal of 45102525 is 52520154.

It is a happy number.

It is not a de Polignac number, because 45102525 - 2² = 45102521 is a prime.

It is a super-2 number, since 2×45102525² = 4068475522751250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45102495 and 45102504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162687 + ... + 162963.

It is an arithmetic number, because the mean of its divisors is an integer number (1689128).

Almost surely, 2^45102525 is an apocalyptic number.

It is an amenable number.

45102525 is a deficient number, since it is larger than the sum of its proper divisors (35975619).

45102525 is a wasteful number, since it uses less digits than its factorization.

45102525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45102525 is about 6715.8413471433. The cubic root of 45102525 is about 355.9592518483.

Adding to 45102525 its reverse (52520154), we get a palindrome (97622679).

The spelling of 45102525 in words is "forty-five million, one hundred two thousand, five hundred twenty-five".