45444593 has 8 divisors (see below), whose sum is σ = 46673088. Its totient is φ = 44223984.

The previous prime is 45444589. The next prime is 45444601. The reversal of 45444593 is 39544454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45444593 - 2² = 45444589 is a prime.

It is a super-2 number, since 2×45444593² = 4130422065871298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (5834136).

Almost surely, 2^45444593 is an apocalyptic number.

45444593 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45444593 is a deficient number, since it is larger than the sum of its proper divisors (1228495).

45444593 is a wasteful number, since it uses less digits than its factorization.

45444593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its digits is 172800, while the sum is 38.

The square root of 45444593 is about 6741.2604904424. The cubic root of 45444593 is about 356.8568788690.

The spelling of 45444593 in words is "forty-five million, four hundred forty-four thousand, five hundred ninety-three".