142898837 has 4 divisors (see below), whose sum is σ = 142998240. Its totient is φ = 142799436.

The previous prime is 142898831. The next prime is 142898843. The reversal of 142898837 is 738898241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (142898831) and next prime (142898843).

It is a cyclic number.

It is not a de Polignac number, because 142898837 - 2¹⁸ = 142636693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142898831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47513 + ... + 50430.

It is an arithmetic number, because the mean of its divisors is an integer number (35749560).

Almost surely, 2^142898837 is an apocalyptic number.

It is an amenable number.

142898837 is a deficient number, since it is larger than the sum of its proper divisors (99403).

142898837 is an equidigital number, since it uses as much as digits as its factorization.

142898837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99402.

The product of its digits is 774144, while the sum is 50.

The square root of 142898837 is about 11954.0301572315. The cubic root of 142898837 is about 522.8088108328.

The spelling of 142898837 in words is "one hundred forty-two million, eight hundred ninety-eight thousand, eight hundred thirty-seven".