45052149 has 4 divisors (see below), whose sum is σ = 60069536. Its totient is φ = 30034764.

The previous prime is 45052129. The next prime is 45052157. The reversal of 45052149 is 94125054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45052149 - 2⁸ = 45051893 is a prime.

It is a super-2 number, since 2×45052149² = 4059392259036402, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45052129) 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, 7508689 + ... + 7508694.

It is an arithmetic number, because the mean of its divisors is an integer number (15017384).

Almost surely, 2^45052149 is an apocalyptic number.

It is an amenable number.

45052149 is a deficient number, since it is larger than the sum of its proper divisors (15017387).

45052149 is a wasteful number, since it uses less digits than its factorization.

45052149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017386.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 45052149 is about 6712.0897640005. The cubic root of 45052149 is about 355.8266762438.

The spelling of 45052149 in words is "forty-five million, fifty-two thousand, one hundred forty-nine".