142863264 has 60 divisors (see below), whose sum is σ = 420164514. Its totient is φ = 47620224.

The previous prime is 142863209. The next prime is 142863293. The reversal of 142863264 is 462368241.

142863264 is a `hidden beast` number, since 14 + 2 + 8 + 632 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82955664 + 59907600 = 9108^2 + 7740^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24967 + ... + 30150.

Almost surely, 2^142863264 is an apocalyptic number.

It is an amenable number.

142863264 is an abundant number, since it is smaller than the sum of its proper divisors (277301250).

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

142863264 is an equidigital number, since it uses as much as digits as its factorization.

142863264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55139 (or 55122 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 142863264 is about 11952.5421563783. The cubic root of 142863264 is about 522.7654248457.

The spelling of 142863264 in words is "one hundred forty-two million, eight hundred sixty-three thousand, two hundred sixty-four".