45046249 has 4 divisors (see below), whose sum is σ = 46144980. Its totient is φ = 43947520.

The previous prime is 45046247. The next prime is 45046291. The reversal of 45046249 is 94264054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3829849 + 41216400 = 1957^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 45046249 - 2¹ = 45046247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45046247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549304 + ... + 549385.

It is an arithmetic number, because the mean of its divisors is an integer number (11536245).

Almost surely, 2^45046249 is an apocalyptic number.

It is an amenable number.

45046249 is a deficient number, since it is larger than the sum of its proper divisors (1098731).

45046249 is a wasteful number, since it uses less digits than its factorization.

45046249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098730.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 45046249 is about 6711.6502441650. The cubic root of 45046249 is about 355.8111426226.

The spelling of 45046249 in words is "forty-five million, forty-six thousand, two hundred forty-nine".