142342037 has 18 divisors (see below), whose sum is σ = 155514534. Its totient is φ = 130255360.

The previous prime is 142342019. The next prime is 142342069. The reversal of 142342037 is 730243241.

It can be written as a sum of positive squares in 9 ways, for example, as 20151121 + 122190916 = 4489^2 + 11054^2 .

It is not a de Polignac number, because 142342037 - 2⁸ = 142341781 is a prime.

It is a super-2 number, since 2×142342037² = 40522510994618738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142341997 and 142342015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142342087) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 485663 + ... + 485955.

Almost surely, 2^142342037 is an apocalyptic number.

142342037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

142342037 is a deficient number, since it is larger than the sum of its proper divisors (13172497).

142342037 is an equidigital number, since it uses as much as digits as its factorization.

142342037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 142342037 is about 11930.7182097307. The cubic root of 142342037 is about 522.1288919492.

Adding to 142342037 its reverse (730243241), we get a palindrome (872585278).

The spelling of 142342037 in words is "one hundred forty-two million, three hundred forty-two thousand, thirty-seven".