45522431 has 8 divisors (see below), whose sum is σ = 47757600. Its totient is φ = 43331680.

The previous prime is 45522427. The next prime is 45522487. The reversal of 45522431 is 13422554.

It is a happy number.

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 45522431 - 2² = 45522427 is a prime.

It is a super-2 number, since 2×45522431² = 4144583448299522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45522431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45522031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8996 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (5969700).

Almost surely, 2^45522431 is an apocalyptic number.

45522431 is a deficient number, since it is larger than the sum of its proper divisors (2235169).

45522431 is a wasteful number, since it uses less digits than its factorization.

45522431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22209.

The product of its digits is 4800, while the sum is 26.

The square root of 45522431 is about 6747.0312730860. The cubic root of 45522431 is about 357.0605054543.

Adding to 45522431 its reverse (13422554), we get a palindrome (58944985).

The spelling of 45522431 in words is "forty-five million, five hundred twenty-two thousand, four hundred thirty-one".