45546239 has 4 divisors (see below), whose sum is σ = 46405656. Its totient is φ = 44686824.

The previous prime is 45546227. The next prime is 45546257. The reversal of 45546239 is 93264554.

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 45546239 - 2¹² = 45542143 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 (45546299) 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, 429629 + ... + 429734.

It is an arithmetic number, because the mean of its divisors is an integer number (11601414).

Almost surely, 2^45546239 is an apocalyptic number.

45546239 is a deficient number, since it is larger than the sum of its proper divisors (859417).

45546239 is an equidigital number, since it uses as much as digits as its factorization.

45546239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859416.

The product of its digits is 129600, while the sum is 38.

The square root of 45546239 is about 6748.7953739908. The cubic root of 45546239 is about 357.1227415489.

The spelling of 45546239 in words is "forty-five million, five hundred forty-six thousand, two hundred thirty-nine".