45025515 has 24 divisors (see below), whose sum is σ = 79862640. Its totient is φ = 23454144.

The previous prime is 45025511. The next prime is 45025543. The reversal of 45025515 is 51552054.

It is not a de Polignac number, because 45025515 - 2² = 45025511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45025511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9700 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (3327610).

Almost surely, 2^45025515 is an apocalyptic number.

45025515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45025515 is a deficient number, since it is larger than the sum of its proper divisors (34837125).

45025515 is a wasteful number, since it uses less digits than its factorization.

45025515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323 (or 23320 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45025515 is about 6710.1054388139. The cubic root of 45025515 is about 355.7565430309.

Adding to 45025515 its reverse (51552054), we get a palindrome (96577569).

The spelling of 45025515 in words is "forty-five million, twenty-five thousand, five hundred fifteen".