142334401657 has 8 divisors (see below), whose sum is σ = 163342860032. Its totient is φ = 121494686400.

The previous prime is 142334401633. The next prime is 142334401661. The reversal of 142334401657 is 756104433241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142334401657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142334401607) 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, 42183969 + ... + 42187342.

It is an arithmetic number, because the mean of its divisors is an integer number (20417857504).

Almost surely, 2^142334401657 is an apocalyptic number.

It is an amenable number.

142334401657 is a deficient number, since it is larger than the sum of its proper divisors (21008458375).

142334401657 is an equidigital number, since it uses as much as digits as its factorization.

142334401657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84371559.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 142334401657 its reverse (756104433241), we get a palindrome (898438834898).

The spelling of 142334401657 in words is "one hundred forty-two billion, three hundred thirty-four million, four hundred one thousand, six hundred fifty-seven".