45891051 has 4 divisors (see below), whose sum is σ = 61188072. Its totient is φ = 30594032.

The previous prime is 45891017. The next prime is 45891077. The reversal of 45891051 is 15019854.

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

It is a cyclic number.

It is not a de Polignac number, because 45891051 - 2⁶ = 45890987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45891011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7648506 + ... + 7648511.

It is an arithmetic number, because the mean of its divisors is an integer number (15297018).

Almost surely, 2^45891051 is an apocalyptic number.

45891051 is a deficient number, since it is larger than the sum of its proper divisors (15297021).

45891051 is a wasteful number, since it uses less digits than its factorization.

45891051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297020.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 45891051 is about 6774.2933948863. The cubic root of 45891051 is about 358.0216870438.

The spelling of 45891051 in words is "forty-five million, eight hundred ninety-one thousand, fifty-one".