142998413 has 2 divisors, whose sum is σ = 142998414. Its totient is φ = 142998412.

The previous prime is 142998409. The next prime is 142998439. The reversal of 142998413 is 314899241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136352329 + 6646084 = 11677^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 142998413 - 2² = 142998409 is a prime.

It is a super-2 number, since 2×142998413² = 40897092241037138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142998403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71499206 + 71499207.

It is an arithmetic number, because the mean of its divisors is an integer number (71499207).

Almost surely, 2^142998413 is an apocalyptic number.

It is an amenable number.

142998413 is a deficient number, since it is larger than the sum of its proper divisors (1).

142998413 is an equidigital number, since it uses as much as digits as its factorization.

142998413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 142998413 is about 11958.1943871138. The cubic root of 142998413 is about 522.9302186852.

The spelling of 142998413 in words is "one hundred forty-two million, nine hundred ninety-eight thousand, four hundred thirteen".