45148986 has 12 divisors (see below), whose sum is σ = 97822842. Its totient is φ = 15049656.

The previous prime is 45148981. The next prime is 45149003. The reversal of 45148986 is 68984154.

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 4124961 = 6405^2 + 2031^2 .

It is not an unprimeable number, because it can be changed into a prime (45148981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1254121 + ... + 1254156.

Almost surely, 2^45148986 is an apocalyptic number.

45148986 is an abundant number, since it is smaller than the sum of its proper divisors (52673856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45148986 is a wasteful number, since it uses less digits than its factorization.

45148986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508285 (or 2508282 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 45148986 is about 6719.2995170628. The cubic root of 45148986 is about 356.0814367834.

The spelling of 45148986 in words is "forty-five million, one hundred forty-eight thousand, nine hundred eighty-six".