142953456 has 20 divisors (see below), whose sum is σ = 369296552. Its totient is φ = 47651136.

The previous prime is 142953451. The next prime is 142953463. The reversal of 142953456 is 654359241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142953451) 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, 1489051 + ... + 1489146.

Almost surely, 2^142953456 is an apocalyptic number.

142953456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142953456 is an abundant number, since it is smaller than the sum of its proper divisors (226343096).

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

142953456 is a wasteful number, since it uses less digits than its factorization.

142953456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978208 (or 2978202 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 142953456 is about 11956.3144823144. The cubic root of 142953456 is about 522.8754119278.

The spelling of 142953456 in words is "one hundred forty-two million, nine hundred fifty-three thousand, four hundred fifty-six".