45992149 has 4 divisors (see below), whose sum is σ = 52562464. Its totient is φ = 39421836.

The previous prime is 45992129. The next prime is 45992159. The reversal of 45992149 is 94129954.

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 a cyclic number.

It is not a de Polignac number, because 45992149 - 2¹¹ = 45990101 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 (45992129) 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, 3285147 + ... + 3285160.

It is an arithmetic number, because the mean of its divisors is an integer number (13140616).

Almost surely, 2^45992149 is an apocalyptic number.

It is an amenable number.

45992149 is a deficient number, since it is larger than the sum of its proper divisors (6570315).

45992149 is an equidigital number, since it uses as much as digits as its factorization.

45992149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570314.

The product of its digits is 116640, while the sum is 43.

The square root of 45992149 is about 6781.7511750285. The cubic root of 45992149 is about 358.2844015151.

The spelling of 45992149 in words is "forty-five million, nine hundred ninety-two thousand, one hundred forty-nine".