45490125 has 64 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 22668800.

The previous prime is 45490091. The next prime is 45490127. The reversal of 45490125 is 52109454.

It is not a de Polignac number, because 45490125 - 2¹² = 45486029 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45490092 and 45490101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45490127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 511081 + ... + 511169.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^45490125 is an apocalyptic number.

It is an amenable number.

45490125 is a deficient number, since it is larger than the sum of its proper divisors (35380275).

45490125 is a wasteful number, since it uses less digits than its factorization.

45490125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 45490125 is about 6744.6367581954. The cubic root of 45490125 is about 356.9760201706.

Adding to 45490125 its reverse (52109454), we get a palindrome (97599579).

The spelling of 45490125 in words is "forty-five million, four hundred ninety thousand, one hundred twenty-five".