142170951 has 8 divisors (see below), whose sum is σ = 204142960. Its totient is φ = 87489792.

The previous prime is 142170893. The next prime is 142170967. The reversal of 142170951 is 159071241.

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

It is not a de Polignac number, because 142170951 - 2⁶ = 142170887 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 (142170971) 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, 1822666 + ... + 1822743.

It is an arithmetic number, because the mean of its divisors is an integer number (25517870).

Almost surely, 2^142170951 is an apocalyptic number.

142170951 is a deficient number, since it is larger than the sum of its proper divisors (61972009).

142170951 is a wasteful number, since it uses less digits than its factorization.

142170951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645425.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 142170951 is about 11923.5460748890. The cubic root of 142170951 is about 521.9196196016.

The spelling of 142170951 in words is "one hundred forty-two million, one hundred seventy thousand, nine hundred fifty-one".