142042037 has 4 divisors (see below), whose sum is σ = 145064256. Its totient is φ = 139019820.

The previous prime is 142042027. The next prime is 142042073. The reversal of 142042037 is 730240241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 730240241 = 491 ⋅1487251.

It is a cyclic number.

It is not a de Polignac number, because 142042037 - 2¹⁰ = 142041013 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 (142042027) 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, 1511039 + ... + 1511132.

It is an arithmetic number, because the mean of its divisors is an integer number (36266064).

Almost surely, 2^142042037 is an apocalyptic number.

It is an amenable number.

142042037 is a deficient number, since it is larger than the sum of its proper divisors (3022219).

142042037 is an equidigital number, since it uses as much as digits as its factorization.

142042037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022218.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 142042037 is about 11918.1389906310. The cubic root of 142042037 is about 521.7618210924.

Adding to 142042037 its reverse (730240241), we get a palindrome (872282278).

The spelling of 142042037 in words is "one hundred forty-two million, forty-two thousand, thirty-seven".