142154059 has 2 divisors, whose sum is σ = 142154060. Its totient is φ = 142154058.

The previous prime is 142154041. The next prime is 142154071. The reversal of 142154059 is 950451241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142154059 - 2¹³ = 142145867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142154059.

It is not a weakly prime, because it can be changed into another prime (142154009) 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, 71077029 + 71077030.

It is an arithmetic number, because the mean of its divisors is an integer number (71077030).

Almost surely, 2^142154059 is an apocalyptic number.

142154059 is a deficient number, since it is larger than the sum of its proper divisors (1).

142154059 is an equidigital number, since it uses as much as digits as its factorization.

142154059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 142154059 is about 11922.8377075258. The cubic root of 142154059 is about 521.8989482072.

The spelling of 142154059 in words is "one hundred forty-two million, one hundred fifty-four thousand, fifty-nine".