142772529 has 8 divisors (see below), whose sum is σ = 195508480. Its totient is φ = 92609136.

The previous prime is 142772527. The next prime is 142772563. The reversal of 142772529 is 925277241.

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

It is not a de Polignac number, because 142772529 - 2¹ = 142772527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142772521) 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, 643009 + ... + 643230.

It is an arithmetic number, because the mean of its divisors is an integer number (24438560).

Almost surely, 2^142772529 is an apocalyptic number.

It is an amenable number.

142772529 is a deficient number, since it is larger than the sum of its proper divisors (52735951).

142772529 is a wasteful number, since it uses less digits than its factorization.

142772529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286279.

The product of its digits is 70560, while the sum is 39.

The square root of 142772529 is about 11948.7459174593. The cubic root of 142772529 is about 522.6547288676.

The spelling of 142772529 in words is "one hundred forty-two million, seven hundred seventy-two thousand, five hundred twenty-nine".