45242331 has 4 divisors (see below), whose sum is σ = 60323112. Its totient is φ = 30161552.

The previous prime is 45242317. The next prime is 45242333. The reversal of 45242331 is 13324254.

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

It is a cyclic number.

It is not a de Polignac number, because 45242331 - 2¹³ = 45234139 is a prime.

It is a super-2 number, since 2×45242331² = 4093737028627122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45242333) 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, 7540386 + ... + 7540391.

It is an arithmetic number, because the mean of its divisors is an integer number (15080778).

Almost surely, 2^45242331 is an apocalyptic number.

45242331 is a deficient number, since it is larger than the sum of its proper divisors (15080781).

45242331 is a wasteful number, since it uses less digits than its factorization.

45242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080780.

The product of its digits is 2880, while the sum is 24.

The square root of 45242331 is about 6726.2419671017. The cubic root of 45242331 is about 356.3266659255.

Adding to 45242331 its reverse (13324254), we get a palindrome (58566585).

The spelling of 45242331 in words is "forty-five million, two hundred forty-two thousand, three hundred thirty-one".