1456431132 has 24 divisors (see below), whose sum is σ = 3659750416. Its totient is φ = 448132608.

The previous prime is 1456431091. The next prime is 1456431133. The reversal of 1456431132 is 2311346541.

It is a self number, because there is not a number n which added to its sum of digits gives 1456431132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456431133) 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, 4667893 + ... + 4668204.

Almost surely, 2^1456431132 is an apocalyptic number.

1456431132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1456431132 is an abundant number, since it is smaller than the sum of its proper divisors (2203319284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1456431132 is a wasteful number, since it uses less digits than its factorization.

1456431132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336117 (or 9336115 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1456431132 is about 38163.2170027633. The cubic root of 1456431132 is about 1133.5220808668.

Adding to 1456431132 its reverse (2311346541), we get a palindrome (3767777673).

The spelling of 1456431132 in words is "one billion, four hundred fifty-six million, four hundred thirty-one thousand, one hundred thirty-two".