142426073 has 2 divisors, whose sum is σ = 142426074. Its totient is φ = 142426072.

The previous prime is 142426057. The next prime is 142426079. The reversal of 142426073 is 370624241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142396489 + 29584 = 11933^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 142426073 - 2⁴ = 142426057 is a prime.

It is not a weakly prime, because it can be changed into another prime (142426079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71213036 + 71213037.

It is an arithmetic number, because the mean of its divisors is an integer number (71213037).

Almost surely, 2^142426073 is an apocalyptic number.

It is an amenable number.

142426073 is a deficient number, since it is larger than the sum of its proper divisors (1).

142426073 is an equidigital number, since it uses as much as digits as its factorization.

142426073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 142426073 is about 11934.2395233211. The cubic root of 142426073 is about 522.2316233524.

The spelling of 142426073 in words is "one hundred forty-two million, four hundred twenty-six thousand, seventy-three".