142453331 has 2 divisors, whose sum is σ = 142453332. Its totient is φ = 142453330.

The previous prime is 142453309. The next prime is 142453351. The reversal of 142453331 is 133354241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142453331 - 2¹⁰ = 142452307 is a prime.

It is a super-2 number, since 2×142453331² = 40585903025991122, which contains 22 as substring.

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 142453331.

It is not a weakly prime, because it can be changed into another prime (142453351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71226665 + 71226666.

It is an arithmetic number, because the mean of its divisors is an integer number (71226666).

Almost surely, 2^142453331 is an apocalyptic number.

142453331 is a deficient number, since it is larger than the sum of its proper divisors (1).

142453331 is an equidigital number, since it uses as much as digits as its factorization.

142453331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 142453331 is about 11935.3814769365. The cubic root of 142453331 is about 522.2649367321.

It can be divided in two parts, 14245 and 3331, that added together give a cube (17576 = 26³).

The spelling of 142453331 in words is "one hundred forty-two million, four hundred fifty-three thousand, three hundred thirty-one".