142256634 has 32 divisors (see below), whose sum is σ = 313879104. Its totient is φ = 42702720.

The previous prime is 142256627. The next prime is 142256641. The reversal of 142256634 is 436652241.

It is an interprime number because it is at equal distance from previous prime (142256627) and next prime (142256641).

It is a junction number, because it is equal to n+sod(n) for n = 142256595 and 142256604.

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, 19044 + ... + 25439.

It is an arithmetic number, because the mean of its divisors is an integer number (9808722).

Almost surely, 2^142256634 is an apocalyptic number.

142256634 is an abundant number, since it is smaller than the sum of its proper divisors (171622470).

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

142256634 is a wasteful number, since it uses less digits than its factorization.

142256634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44542.

The product of its digits is 34560, while the sum is 33.

The square root of 142256634 is about 11927.1385503816. The cubic root of 142256634 is about 522.0244479969.

The spelling of 142256634 in words is "one hundred forty-two million, two hundred fifty-six thousand, six hundred thirty-four".