142153943402 has 8 divisors (see below), whose sum is σ = 213233922912. Its totient is φ = 71075969100.

The previous prime is 142153943401. The next prime is 142153943431. The reversal of 142153943402 is 204349351241.

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 (142153943401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309374 + ... + 616457.

It is an arithmetic number, because the mean of its divisors is an integer number (26654240364).

Almost surely, 2^142153943402 is an apocalyptic number.

142153943402 is a deficient number, since it is larger than the sum of its proper divisors (71079979510).

142153943402 is an equidigital number, since it uses as much as digits as its factorization.

142153943402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002604.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 142153943402 in words is "one hundred forty-two billion, one hundred fifty-three million, nine hundred forty-three thousand, four hundred two".