142214859 has 10 divisors (see below), whose sum is σ = 212444540. Its totient is φ = 94809852.

The previous prime is 142214837. The next prime is 142214861. The reversal of 142214859 is 958412241.

It is not a de Polignac number, because 142214859 - 2¹⁵ = 142182091 is a prime.

It is a super-2 number, since 2×142214859² = 40450132240779762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142214959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 877789 + ... + 877950.

It is an arithmetic number, because the mean of its divisors is an integer number (21244454).

Almost surely, 2^142214859 is an apocalyptic number.

142214859 is a deficient number, since it is larger than the sum of its proper divisors (70229681).

142214859 is an equidigital number, since it uses as much as digits as its factorization.

142214859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755751 (or 1755742 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 142214859 is about 11925.3871635264. The cubic root of 142214859 is about 521.9733438628.

The spelling of 142214859 in words is "one hundred forty-two million, two hundred fourteen thousand, eight hundred fifty-nine".