142347642 has 16 divisors (see below), whose sum is σ = 284879712. Its totient is φ = 47418480.

The previous prime is 142347641. The next prime is 142347643. The reversal of 142347642 is 246743241.

142347642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142347641) and next prime (142347643).

It is not an unprimeable number, because it can be changed into a prime (142347641) 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, 3633 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (17804982).

Almost surely, 2^142347642 is an apocalyptic number.

142347642 is an abundant number, since it is smaller than the sum of its proper divisors (142532070).

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

142347642 is a wasteful number, since it uses less digits than its factorization.

142347642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373.

The product of its digits is 32256, while the sum is 33.

The square root of 142347642 is about 11930.9531052636. The cubic root of 142347642 is about 522.1357451462.

The spelling of 142347642 in words is "one hundred forty-two million, three hundred forty-seven thousand, six hundred forty-two".