456144431 has 4 divisors (see below), whose sum is σ = 456285672. Its totient is φ = 456003192.

The previous prime is 456144427. The next prime is 456144463. The reversal of 456144431 is 134441654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134441654 = 2 ⋅67220827.

It is a cyclic number.

It is not a de Polignac number, because 456144431 - 2² = 456144427 is a prime.

It is a super-2 number, since 2×456144431² = 416135483864627522, 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 (456144131) 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, 65660 + ... + 72273.

It is an arithmetic number, because the mean of its divisors is an integer number (114071418).

Almost surely, 2^456144431 is an apocalyptic number.

456144431 is a deficient number, since it is larger than the sum of its proper divisors (141241).

456144431 is a wasteful number, since it uses less digits than its factorization.

456144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141240.

The product of its digits is 23040, while the sum is 32.

The square root of 456144431 is about 21357.5380369555. The cubic root of 456144431 is about 769.7814812542.

The spelling of 456144431 in words is "four hundred fifty-six million, one hundred forty-four thousand, four hundred thirty-one".