142235264 has 16 divisors (see below), whose sum is σ = 283359570. Its totient is φ = 71117568.

The previous prime is 142235263. The next prime is 142235279. The reversal of 142235264 is 462532241.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 16974400 = 11192^2 + 4120^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (142235263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555479 + ... + 555734.

Almost surely, 2^142235264 is an apocalyptic number.

It is an amenable number.

142235264 is a deficient number, since it is larger than the sum of its proper divisors (141124306).

142235264 is an equidigital number, since it uses as much as digits as its factorization.

142235264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111227 (or 1111215 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 142235264 is about 11926.2426606203. The cubic root of 142235264 is about 521.9983069287.

The spelling of 142235264 in words is "one hundred forty-two million, two hundred thirty-five thousand, two hundred sixty-four".