142893155 has 8 divisors (see below), whose sum is σ = 171575712. Its totient is φ = 114245248.

The previous prime is 142893137. The next prime is 142893173. The reversal of 142893155 is 551398241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142893137) and next prime (142893173).

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

It is a cyclic number.

It is not a de Polignac number, because 142893155 - 2⁸ = 142892899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (21446964).

Almost surely, 2^142893155 is an apocalyptic number.

142893155 is a deficient number, since it is larger than the sum of its proper divisors (28682557).

142893155 is a wasteful number, since it uses less digits than its factorization.

142893155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17325.

The product of its digits is 43200, while the sum is 38.

The square root of 142893155 is about 11953.7924944346. The cubic root of 142893155 is about 522.8018813642.

The spelling of 142893155 in words is "one hundred forty-two million, eight hundred ninety-three thousand, one hundred fifty-five".