142994001 has 8 divisors (see below), whose sum is σ = 190926720. Its totient is φ = 95195312.

The previous prime is 142993969. The next prime is 142994003. The reversal of 142994001 is 100499241.

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

It is a cyclic number.

It is not a de Polignac number, because 142994001 - 2⁵ = 142993969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142994001.

It is not an unprimeable number, because it can be changed into a prime (142994003) 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, 30990 + ... + 35303.

It is an arithmetic number, because the mean of its divisors is an integer number (23865840).

Almost surely, 2^142994001 is an apocalyptic number.

It is an amenable number.

142994001 is a deficient number, since it is larger than the sum of its proper divisors (47932719).

142994001 is an equidigital number, since it uses as much as digits as its factorization.

142994001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67015.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 142994001 is about 11958.0099096798. The cubic root of 142994001 is about 522.9248405559.

The spelling of 142994001 in words is "one hundred forty-two million, nine hundred ninety-four thousand, one".