142251304 has 64 divisors (see below), whose sum is σ = 298927440. Its totient is φ = 63037440.

The previous prime is 142251283. The next prime is 142251323. The reversal of 142251304 is 403152241.

It can be written as a sum of positive squares in 8 ways, for example, as 38415204 + 103836100 = 6198^2 + 10190^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311044 + ... + 311500.

Almost surely, 2^142251304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142251304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149463720).

142251304 is an abundant number, since it is smaller than the sum of its proper divisors (156676136).

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

142251304 is a wasteful number, since it uses less digits than its factorization.

142251304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142251304 is about 11926.9151082751. The cubic root of 142251304 is about 522.0179282657.

The spelling of 142251304 in words is "one hundred forty-two million, two hundred fifty-one thousand, three hundred four".