142378956 has 18 divisors (see below), whose sum is σ = 359902452. Its totient is φ = 47459640.

The previous prime is 142378931. The next prime is 142378967. The reversal of 142378956 is 659873241.

142378956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×142378956² = 40543534223299872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1977450 + ... + 1977521.

Almost surely, 2^142378956 is an apocalyptic number.

It is an amenable number.

142378956 is an abundant number, since it is smaller than the sum of its proper divisors (217523496).

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

142378956 is a wasteful number, since it uses less digits than its factorization.

142378956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954981 (or 3954976 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 142378956 is about 11932.2653339590. The cubic root of 142378956 is about 522.1740292599.

The spelling of 142378956 in words is "one hundred forty-two million, three hundred seventy-eight thousand, nine hundred fifty-six".