142290704 has 20 divisors (see below), whose sum is σ = 285195660. Its totient is φ = 68691840.

The previous prime is 142290649. The next prime is 142290721. The reversal of 142290704 is 407092241.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 73068304 = 8320^2 + 8548^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152867 + ... + 153794.

It is an arithmetic number, because the mean of its divisors is an integer number (14259783).

Almost surely, 2^142290704 is an apocalyptic number.

It is an amenable number.

142290704 is an abundant number, since it is smaller than the sum of its proper divisors (142904956).

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

142290704 is a wasteful number, since it uses less digits than its factorization.

142290704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306698 (or 306692 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 142290704 is about 11928.5667202728. The cubic root of 142290704 is about 522.0661190548.

The spelling of 142290704 in words is "one hundred forty-two million, two hundred ninety thousand, seven hundred four".