142943015 has 32 divisors (see below), whose sum is σ = 184246272. Its totient is φ = 106272000.

The previous prime is 142942997. The next prime is 142943029. The reversal of 142943015 is 510349241.

It is not a de Polignac number, because 142943015 - 2¹⁶ = 142877479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527330 + ... + 527600.

It is an arithmetic number, because the mean of its divisors is an integer number (5757696).

Almost surely, 2^142943015 is an apocalyptic number.

142943015 is a deficient number, since it is larger than the sum of its proper divisors (41303257).

142943015 is a wasteful number, since it uses less digits than its factorization.

142943015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 142943015 is about 11955.8778431364. The cubic root of 142943015 is about 522.8626817352.

It can be divided in two parts, 1429 and 43015, that added together give a palindrome (44444).

The spelling of 142943015 in words is "one hundred forty-two million, nine hundred forty-three thousand, fifteen".