142944037 has 2 divisors, whose sum is σ = 142944038. Its totient is φ = 142944036.

The previous prime is 142944029. The next prime is 142944047. The reversal of 142944037 is 730449241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 10556001 = 11506^2 + 3249^2 .

It is a cyclic number.

It is not a de Polignac number, because 142944037 - 2³ = 142944029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142943993 and 142944011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142944047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71472018 + 71472019.

It is an arithmetic number, because the mean of its divisors is an integer number (71472019).

Almost surely, 2^142944037 is an apocalyptic number.

It is an amenable number.

142944037 is a deficient number, since it is larger than the sum of its proper divisors (1).

142944037 is an equidigital number, since it uses as much as digits as its factorization.

142944037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 142944037 is about 11955.9205835435. The cubic root of 142944037 is about 522.8639278364.

The spelling of 142944037 in words is "one hundred forty-two million, nine hundred forty-four thousand, thirty-seven".