142256355442 has 8 divisors (see below), whose sum is σ = 213387589296. Its totient is φ = 71127159012.

The previous prime is 142256355433. The next prime is 142256355473. The reversal of 142256355442 is 244553652241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320848 + ... + 622459.

It is an arithmetic number, because the mean of its divisors is an integer number (26673448662).

Almost surely, 2^142256355442 is an apocalyptic number.

142256355442 is a deficient number, since it is larger than the sum of its proper divisors (71131233854).

142256355442 is an equidigital number, since it uses as much as digits as its factorization.

142256355442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018712.

The product of its digits is 1152000, while the sum is 43.

The spelling of 142256355442 in words is "one hundred forty-two billion, two hundred fifty-six million, three hundred fifty-five thousand, four hundred forty-two".