142087456 has 36 divisors (see below), whose sum is σ = 325409238. Its totient is φ = 60893952.

The previous prime is 142087423. The next prime is 142087457. The reversal of 142087456 is 654780241.

It can be written as a sum of positive squares in only one way, i.e., 72931600 + 69155856 = 8540^2 + 8316^2 .

It is not an unprimeable number, because it can be changed into a prime (142087457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43741 + ... + 46876.

Almost surely, 2^142087456 is an apocalyptic number.

142087456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142087456 is an abundant number, since it is smaller than the sum of its proper divisors (183321782).

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

142087456 is an equidigital number, since it uses as much as digits as its factorization.

142087456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90641 (or 90626 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 142087456 is about 11920.0442952197. The cubic root of 142087456 is about 521.8174275763.

The spelling of 142087456 in words is "one hundred forty-two million, eighty-seven thousand, four hundred fifty-six".