45436431 has 16 divisors (see below), whose sum is σ = 64293120. Its totient is φ = 28480320.

The previous prime is 45436411. The next prime is 45436463. The reversal of 45436431 is 13463454.

It is not a de Polignac number, because 45436431 - 2⁹ = 45435919 is a prime.

It is a super-2 number, since 2×45436431² = 4128938524035522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45436411) 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, 1510 + ... + 9651.

It is an arithmetic number, because the mean of its divisors is an integer number (4018320).

Almost surely, 2^45436431 is an apocalyptic number.

45436431 is a deficient number, since it is larger than the sum of its proper divisors (18856689).

45436431 is a wasteful number, since it uses less digits than its factorization.

45436431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246.

The product of its digits is 17280, while the sum is 30.

The square root of 45436431 is about 6740.6550868591. The cubic root of 45436431 is about 356.8355133625.

Adding to 45436431 its reverse (13463454), we get a palindrome (58899885).

The spelling of 45436431 in words is "forty-five million, four hundred thirty-six thousand, four hundred thirty-one".