142314489 has 10 divisors (see below), whose sum is σ = 212593370. Its totient is φ = 94876272.

The previous prime is 142314467. The next prime is 142314493. The reversal of 142314489 is 984413241.

It is a happy number.

142314489 is a `hidden beast` number, since 142 + 31 + 4 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 25674489 = 10800^2 + 5067^2 .

It is not a de Polignac number, because 142314489 - 2⁵ = 142314457 is a prime.

It is a super-2 number, since 2×142314489² = 40506827558662242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142314589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 878404 + ... + 878565.

It is an arithmetic number, because the mean of its divisors is an integer number (21259337).

Almost surely, 2^142314489 is an apocalyptic number.

It is an amenable number.

142314489 is a deficient number, since it is larger than the sum of its proper divisors (70278881).

142314489 is an equidigital number, since it uses as much as digits as its factorization.

142314489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756981 (or 1756972 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 142314489 is about 11929.5636550546. The cubic root of 142314489 is about 522.0952065742.

The spelling of 142314489 in words is "one hundred forty-two million, three hundred fourteen thousand, four hundred eighty-nine".