143146456 has 16 divisors (see below), whose sum is σ = 282526200. Its totient is φ = 67806144.

The previous prime is 143146453. The next prime is 143146463. The reversal of 143146456 is 654641341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143146453) 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, 470725 + ... + 471028.

Almost surely, 2^143146456 is an apocalyptic number.

It is an amenable number.

143146456 is a deficient number, since it is larger than the sum of its proper divisors (139379744).

143146456 is a wasteful number, since it uses less digits than its factorization.

143146456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941778 (or 941774 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 143146456 is about 11964.3828089877. The cubic root of 143146456 is about 523.1106156942.

Adding to 143146456 its reverse (654641341), we get a palindrome (797787797).

The spelling of 143146456 in words is "one hundred forty-three million, one hundred forty-six thousand, four hundred fifty-six".