45322431 has 16 divisors (see below), whose sum is σ = 75341568. Its totient is φ = 23544000.

The previous prime is 45322427. The next prime is 45322439. The reversal of 45322431 is 13422354.

It is not a de Polignac number, because 45322431 - 2² = 45322427 is a prime.

It is a super-2 number, since 2×45322431² = 4108245503499522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45322439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97870 + ... + 98331.

It is an arithmetic number, because the mean of its divisors is an integer number (4708848).

Almost surely, 2^45322431 is an apocalyptic number.

45322431 is a deficient number, since it is larger than the sum of its proper divisors (30019137).

45322431 is a wasteful number, since it uses less digits than its factorization.

45322431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196222.

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

The square root of 45322431 is about 6732.1936246665. The cubic root of 45322431 is about 356.5368300040.

Adding to 45322431 its reverse (13422354), we get a palindrome (58744785).

It can be divided in two parts, 45322 and 431, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 45322431 in words is "forty-five million, three hundred twenty-two thousand, four hundred thirty-one".