142347961 has 16 divisors (see below), whose sum is σ = 164634624. Its totient is φ = 120559824.

The previous prime is 142347929. The next prime is 142347973. The reversal of 142347961 is 169743241.

142347961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142347961 - 2⁵ = 142347929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142347961.

It is not an unprimeable number, because it can be changed into a prime (142347901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307216 + ... + 307678.

It is an arithmetic number, because the mean of its divisors is an integer number (10289664).

Almost surely, 2^142347961 is an apocalyptic number.

It is an amenable number.

142347961 is a deficient number, since it is larger than the sum of its proper divisors (22286663).

142347961 is a wasteful number, since it uses less digits than its factorization.

142347961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 36288, while the sum is 37.

The square root of 142347961 is about 11930.9664738444. The cubic root of 142347961 is about 522.1361351800.

The spelling of 142347961 in words is "one hundred forty-two million, three hundred forty-seven thousand, nine hundred sixty-one".