142605057 has 8 divisors (see below), whose sum is σ = 217302976. Its totient is φ = 81488592.

The previous prime is 142605041. The next prime is 142605077. The reversal of 142605057 is 750506241.

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

It is not a de Polignac number, because 142605057 - 2⁴ = 142605041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142605017) 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, 3395338 + ... + 3395379.

It is an arithmetic number, because the mean of its divisors is an integer number (27162872).

Almost surely, 2^142605057 is an apocalyptic number.

It is an amenable number.

142605057 is a deficient number, since it is larger than the sum of its proper divisors (74697919).

142605057 is an equidigital number, since it uses as much as digits as its factorization.

142605057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790727.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 142605057 is about 11941.7359290850. The cubic root of 142605057 is about 522.4502911281.

The spelling of 142605057 in words is "one hundred forty-two million, six hundred five thousand, fifty-seven".