142040264 has 32 divisors (see below), whose sum is σ = 276810240. Its totient is φ = 68256000.

The previous prime is 142040237. The next prime is 142040267. The reversal of 142040264 is 462040241.

142040264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142040267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35552 + ... + 39344.

It is an arithmetic number, because the mean of its divisors is an integer number (8650320).

Almost surely, 2^142040264 is an apocalyptic number.

It is an amenable number.

142040264 is a deficient number, since it is larger than the sum of its proper divisors (134769976).

142040264 is a wasteful number, since it uses less digits than its factorization.

142040264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142040264 is about 11918.0646079806. The cubic root of 142040264 is about 521.7596501680.

Subtracting from 142040264 its sum of digits (23), we obtain a palindrome (142040241).

The spelling of 142040264 in words is "one hundred forty-two million, forty thousand, two hundred sixty-four".