45249111 has 20 divisors (see below), whose sum is σ = 68275944. Its totient is φ = 29862000.

The previous prime is 45249049. The next prime is 45249131. The reversal of 45249111 is 11194254.

It is not a de Polignac number, because 45249111 - 2¹⁵ = 45216343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45249131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5416 + ... + 10946.

Almost surely, 2^45249111 is an apocalyptic number.

45249111 is a deficient number, since it is larger than the sum of its proper divisors (23026833).

45249111 is a wasteful number, since it uses less digits than its factorization.

45249111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644 (or 5635 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 45249111 is about 6726.7459443627. The cubic root of 45249111 is about 356.3444646998.

The spelling of 45249111 in words is "forty-five million, two hundred forty-nine thousand, one hundred eleven".