45253091 has 4 divisors (see below), whose sum is σ = 48734112. Its totient is φ = 41772072.

The previous prime is 45253081. The next prime is 45253111. The reversal of 45253091 is 19035254.

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 45253091 - 2¹⁸ = 44990947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45253001) 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, 1740491 + ... + 1740516.

It is an arithmetic number, because the mean of its divisors is an integer number (12183528).

Almost surely, 2^45253091 is an apocalyptic number.

45253091 is a deficient number, since it is larger than the sum of its proper divisors (3481021).

45253091 is a wasteful number, since it uses less digits than its factorization.

45253091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481020.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 45253091 is about 6727.0417718340. The cubic root of 45253091 is about 356.3549121197.

The spelling of 45253091 in words is "forty-five million, two hundred fifty-three thousand, ninety-one".