45338331 has 4 divisors (see below), whose sum is σ = 60451112. Its totient is φ = 30225552.

The previous prime is 45338327. The next prime is 45338341. The reversal of 45338331 is 13383354.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45338331 - 2² = 45338327 is a prime.

It is a super-2 number, since 2×45338331² = 4111128515731122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45338341) 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, 7556386 + ... + 7556391.

It is an arithmetic number, because the mean of its divisors is an integer number (15112778).

Almost surely, 2^45338331 is an apocalyptic number.

45338331 is a deficient number, since it is larger than the sum of its proper divisors (15112781).

45338331 is a wasteful number, since it uses less digits than its factorization.

45338331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112780.

The product of its digits is 12960, while the sum is 30.

The square root of 45338331 is about 6733.3744140661. The cubic root of 45338331 is about 356.5785185063.

It can be divided in two parts, 4 and 5338331, that added together give a palindrome (5338335).

The spelling of 45338331 in words is "forty-five million, three hundred thirty-eight thousand, three hundred thirty-one".