142402037 has 2 divisors, whose sum is σ = 142402038. Its totient is φ = 142402036.

The previous prime is 142402033. The next prime is 142402079. The reversal of 142402037 is 730204241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129254161 + 13147876 = 11369^2 + 3626^2 .

It is a cyclic number.

It is not a de Polignac number, because 142402037 - 2² = 142402033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142402031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201018 + 71201019.

It is an arithmetic number, because the mean of its divisors is an integer number (71201019).

Almost surely, 2^142402037 is an apocalyptic number.

It is an amenable number.

142402037 is a deficient number, since it is larger than the sum of its proper divisors (1).

142402037 is an equidigital number, since it uses as much as digits as its factorization.

142402037 is an evil number, because the sum of its binary digits is even.

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

The square root of 142402037 is about 11933.2324623297. The cubic root of 142402037 is about 522.2022442150.

Adding to 142402037 its reverse (730204241), we get a palindrome (872606278).

The spelling of 142402037 in words is "one hundred forty-two million, four hundred two thousand, thirty-seven".