142863087 has 8 divisors (see below), whose sum is σ = 201689136. Its totient is φ = 89639552.

The previous prime is 142863079. The next prime is 142863089. The reversal of 142863087 is 780368241.

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 142863087 - 2³ = 142863079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142863089) 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, 1400568 + ... + 1400669.

It is an arithmetic number, because the mean of its divisors is an integer number (25211142).

Almost surely, 2^142863087 is an apocalyptic number.

142863087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142863087 is a deficient number, since it is larger than the sum of its proper divisors (58826049).

142863087 is a wasteful number, since it uses less digits than its factorization.

142863087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801257.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 142863087 is about 11952.5347520934. The cubic root of 142863087 is about 522.7652089528.

The spelling of 142863087 in words is "one hundred forty-two million, eight hundred sixty-three thousand, eighty-seven".