45752149 has 4 divisors (see below), whose sum is σ = 45898636. Its totient is φ = 45605664.

The previous prime is 45752137. The next prime is 45752159. The reversal of 45752149 is 94125754.

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 10432900 + 35319249 = 3230^2 + 5943^2 .

It is a cyclic number.

It is not a de Polignac number, because 45752149 - 2⁹ = 45751637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45752159) 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, 72774 + ... + 73399.

It is an arithmetic number, because the mean of its divisors is an integer number (11474659).

Almost surely, 2^45752149 is an apocalyptic number.

It is an amenable number.

45752149 is a deficient number, since it is larger than the sum of its proper divisors (146487).

45752149 is a wasteful number, since it uses less digits than its factorization.

45752149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146486.

The product of its digits is 50400, while the sum is 37.

The square root of 45752149 is about 6764.0334860200. The cubic root of 45752149 is about 357.6601046609.

It can be divided in two parts, 4575 and 2149, that added together give a square (6724 = 82²).

The spelling of 45752149 in words is "forty-five million, seven hundred fifty-two thousand, one hundred forty-nine".