142154633 has 2 divisors, whose sum is σ = 142154634. Its totient is φ = 142154632.

The previous prime is 142154591. The next prime is 142154647. The reversal of 142154633 is 336451241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132894784 + 9259849 = 11528^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 142154633 - 2⁶ = 142154569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142154596 and 142154605.

It is not a weakly prime, because it can be changed into another prime (142154693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71077316 + 71077317.

It is an arithmetic number, because the mean of its divisors is an integer number (71077317).

Almost surely, 2^142154633 is an apocalyptic number.

It is an amenable number.

142154633 is a deficient number, since it is larger than the sum of its proper divisors (1).

142154633 is an equidigital number, since it uses as much as digits as its factorization.

142154633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 142154633 is about 11922.8617789522. The cubic root of 142154633 is about 521.8996506601.

The spelling of 142154633 in words is "one hundred forty-two million, one hundred fifty-four thousand, six hundred thirty-three".