142045429 has 2 divisors, whose sum is σ = 142045430. Its totient is φ = 142045428.

The previous prime is 142045403. The next prime is 142045433. The reversal of 142045429 is 924540241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141562404 + 483025 = 11898^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 142045429 - 2⁷ = 142045301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142045429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142045499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022714 + 71022715.

It is an arithmetic number, because the mean of its divisors is an integer number (71022715).

Almost surely, 2^142045429 is an apocalyptic number.

It is an amenable number.

142045429 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045429 is an equidigital number, since it uses as much as digits as its factorization.

142045429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142045429 is about 11918.2812938779. The cubic root of 142045429 is about 521.7659743277.

The spelling of 142045429 in words is "one hundred forty-two million, forty-five thousand, four hundred twenty-nine".