142154660474 has 8 divisors (see below), whose sum is σ = 213234215040. Its totient is φ = 71076588796.

The previous prime is 142154660441. The next prime is 142154660477. The reversal of 142154660474 is 474066451241.

142154660474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142154660477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87914 + ... + 540405.

It is an arithmetic number, because the mean of its divisors is an integer number (26654276880).

Almost surely, 2^142154660474 is an apocalyptic number.

142154660474 is a deficient number, since it is larger than the sum of its proper divisors (71079554566).

142154660474 is a wasteful number, since it uses less digits than its factorization.

142154660474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741444.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 142154660474 in words is "one hundred forty-two billion, one hundred fifty-four million, six hundred sixty thousand, four hundred seventy-four".