45168525 has 36 divisors (see below), whose sum is σ = 81270592. Its totient is φ = 23980320.

The previous prime is 45168523. The next prime is 45168547. The reversal of 45168525 is 52586154.

It is not a de Polignac number, because 45168525 - 2¹ = 45168523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45168525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45168523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82302 + ... + 82848.

Almost surely, 2^45168525 is an apocalyptic number.

45168525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45168525 is a deficient number, since it is larger than the sum of its proper divisors (36102067).

45168525 is a wasteful number, since it uses less digits than its factorization.

45168525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 922 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 45168525 is about 6720.7533059918. The cubic root of 45168525 is about 356.1327961633.

It can be divided in two parts, 4516 and 8525, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 45168525 in words is "forty-five million, one hundred sixty-eight thousand, five hundred twenty-five".