45344393 has 4 divisors (see below), whose sum is σ = 47730960. Its totient is φ = 42957828.

The previous prime is 45344381. The next prime is 45344399. The reversal of 45344393 is 39344354.

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 45344393 - 2⁸ = 45344137 is a prime.

It is a super-2 number, since 2×45344393² = 4112227953076898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45344399) 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, 1193255 + ... + 1193292.

It is an arithmetic number, because the mean of its divisors is an integer number (11932740).

Almost surely, 2^45344393 is an apocalyptic number.

It is an amenable number.

45344393 is a deficient number, since it is larger than the sum of its proper divisors (2386567).

45344393 is a wasteful number, since it uses less digits than its factorization.

45344393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386566.

The product of its digits is 77760, while the sum is 35.

The square root of 45344393 is about 6733.8245447888. The cubic root of 45344393 is about 356.5944100091.

The spelling of 45344393 in words is "forty-five million, three hundred forty-four thousand, three hundred ninety-three".