142972153 has 2 divisors, whose sum is σ = 142972154. Its totient is φ = 142972152.

The previous prime is 142972121. The next prime is 142972177. The reversal of 142972153 is 351279241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142969849 + 2304 = 11957^2 + 48^2 .

It is an emirp because it is prime and its reverse (351279241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142972153 - 2⁵ = 142972121 is a prime.

It is not a weakly prime, because it can be changed into another prime (142972103) 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, 71486076 + 71486077.

It is an arithmetic number, because the mean of its divisors is an integer number (71486077).

Almost surely, 2^142972153 is an apocalyptic number.

It is an amenable number.

142972153 is a deficient number, since it is larger than the sum of its proper divisors (1).

142972153 is an equidigital number, since it uses as much as digits as its factorization.

142972153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 142972153 is about 11957.0963448489. The cubic root of 142972153 is about 522.8982067024.

The spelling of 142972153 in words is "one hundred forty-two million, nine hundred seventy-two thousand, one hundred fifty-three".