142744097 has 2 divisors, whose sum is σ = 142744098. Its totient is φ = 142744096.

The previous prime is 142744067. The next prime is 142744117. The reversal of 142744097 is 790447241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87628321 + 55115776 = 9361^2 + 7424^2 .

It is a cyclic number.

It is not a de Polignac number, because 142744097 - 2²⁶ = 75635233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142744097.

It is not a weakly prime, because it can be changed into another prime (142744027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71372048 + 71372049.

It is an arithmetic number, because the mean of its divisors is an integer number (71372049).

Almost surely, 2^142744097 is an apocalyptic number.

It is an amenable number.

142744097 is a deficient number, since it is larger than the sum of its proper divisors (1).

142744097 is an equidigital number, since it uses as much as digits as its factorization.

142744097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 142744097 is about 11947.5561099331. The cubic root of 142744097 is about 522.6200324035.

The spelling of 142744097 in words is "one hundred forty-two million, seven hundred forty-four thousand, ninety-seven".