142014889 has 9 divisors (see below), whose sum is σ = 151075621. Its totient is φ = 133470400.

The previous prime is 142014883. The next prime is 142014913. The reversal of 142014889 is 988410241.

The square root of 142014889 is 11917.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 59059225 + 82955664 = 7685^2 + 9108^2 .

It is not a de Polignac number, because 142014889 - 2³ = 142014881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142014881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 202239 + ... + 202939.

Almost surely, 2^142014889 is an apocalyptic number.

142014889 is the 11917-th square number.

142014889 is the 5959-th centered octagonal number.

It is an amenable number.

142014889 is a deficient number, since it is larger than the sum of its proper divisors (9060732).

142014889 is an frugal number, since it uses more digits than its factorization.

142014889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The cubic root of 142014889 is about 521.7285781343.

The spelling of 142014889 in words is "one hundred forty-two million, fourteen thousand, eight hundred eighty-nine".