45249816 has 32 divisors (see below), whose sum is σ = 116184240. Its totient is φ = 14675328.

The previous prime is 45249793. The next prime is 45249817. The reversal of 45249816 is 61894254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45249817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24591 + ... + 26366.

Almost surely, 2^45249816 is an apocalyptic number.

It is an amenable number.

45249816 is an abundant number, since it is smaller than the sum of its proper divisors (70934424).

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

45249816 is a wasteful number, since it uses less digits than its factorization.

45249816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51003 (or 50999 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 45249816 is about 6726.7983469107. The cubic root of 45249816 is about 356.3463153553.

The spelling of 45249816 in words is "forty-five million, two hundred forty-nine thousand, eight hundred sixteen".