142168757 has 4 divisors (see below), whose sum is σ = 142245216. Its totient is φ = 142092300.

The previous prime is 142168751. The next prime is 142168787. The reversal of 142168757 is 757861241.

142168757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142168757 - 2⁶ = 142168693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142168751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35369 + ... + 39182.

It is an arithmetic number, because the mean of its divisors is an integer number (35561304).

Almost surely, 2^142168757 is an apocalyptic number.

It is an amenable number.

142168757 is a deficient number, since it is larger than the sum of its proper divisors (76459).

142168757 is an equidigital number, since it uses as much as digits as its factorization.

142168757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76458.

The product of its digits is 94080, while the sum is 41.

The square root of 142168757 is about 11923.4540717025. The cubic root of 142168757 is about 521.9169348114.

The spelling of 142168757 in words is "one hundred forty-two million, one hundred sixty-eight thousand, seven hundred fifty-seven".