142856448 has 72 divisors (see below), whose sum is σ = 434538048. Its totient is φ = 40814592.

The previous prime is 142856437. The next prime is 142856501. The reversal of 142856448 is 844658241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7911 + ... + 18662.

Almost surely, 2^142856448 is an apocalyptic number.

It is an amenable number.

142856448 is an abundant number, since it is smaller than the sum of its proper divisors (291681600).

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

142856448 is an equidigital number, since it uses as much as digits as its factorization.

142856448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26599 (or 26585 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 142856448 is about 11952.2570253488. The cubic root of 142856448 is about 522.7571110084.

The spelling of 142856448 in words is "one hundred forty-two million, eight hundred fifty-six thousand, four hundred forty-eight".