45338231 has 4 divisors (see below), whose sum is σ = 45778512. Its totient is φ = 44897952.

The previous prime is 45338219. The next prime is 45338233. The reversal of 45338231 is 13283354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45338231 is a prime.

It is a super-2 number, since 2×45338231² = 4111110380418722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45338194 and 45338203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45338233) 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, 219986 + ... + 220191.

It is an arithmetic number, because the mean of its divisors is an integer number (11444628).

Almost surely, 2^45338231 is an apocalyptic number.

45338231 is a deficient number, since it is larger than the sum of its proper divisors (440281).

45338231 is a wasteful number, since it uses less digits than its factorization.

45338231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440280.

The product of its digits is 8640, while the sum is 29.

The square root of 45338231 is about 6733.3669883647. The cubic root of 45338231 is about 356.5782563449.

The spelling of 45338231 in words is "forty-five million, three hundred thirty-eight thousand, two hundred thirty-one".