45401431 has 8 divisors (see below), whose sum is σ = 48137600. Its totient is φ = 42699960.

The previous prime is 45401423. The next prime is 45401459. The reversal of 45401431 is 13410454.

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 45401431 - 2³ = 45401423 is a prime.

It is a super-2 number, since 2×45401431² = 4122579873695522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45407431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5955 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (6017200).

Almost surely, 2^45401431 is an apocalyptic number.

45401431 is a deficient number, since it is larger than the sum of its proper divisors (2736169).

45401431 is a wasteful number, since it uses less digits than its factorization.

45401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17349.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 45401431 is about 6738.0583998656. The cubic root of 45401431 is about 356.7438655305.

Adding to 45401431 its reverse (13410454), we get a palindrome (58811885).

The spelling of 45401431 in words is "forty-five million, four hundred one thousand, four hundred thirty-one".