45739493 has 4 divisors (see below), whose sum is σ = 46422240. Its totient is φ = 45056748.

The previous prime is 45739483. The next prime is 45739513. The reversal of 45739493 is 39493754.

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 45739493 - 2⁶ = 45739429 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 (45739423) 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, 341273 + ... + 341406.

It is an arithmetic number, because the mean of its divisors is an integer number (11605560).

Almost surely, 2^45739493 is an apocalyptic number.

It is an amenable number.

45739493 is a deficient number, since it is larger than the sum of its proper divisors (682747).

45739493 is an equidigital number, since it uses as much as digits as its factorization.

45739493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682746.

The product of its digits is 408240, while the sum is 44.

The square root of 45739493 is about 6763.0978848454. The cubic root of 45739493 is about 357.6271228679.

The spelling of 45739493 in words is "forty-five million, seven hundred thirty-nine thousand, four hundred ninety-three".