142554241 has 2 divisors, whose sum is σ = 142554242. Its totient is φ = 142554240.

The previous prime is 142554211. The next prime is 142554263. The reversal of 142554241 is 142455241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 17673616 = 11175^2 + 4204^2 .

It is an emirp because it is prime and its reverse (142455241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142554241 - 2¹⁵ = 142521473 is a prime.

It is not a weakly prime, because it can be changed into another prime (142554211) 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, 71277120 + 71277121.

It is an arithmetic number, because the mean of its divisors is an integer number (71277121).

Almost surely, 2^142554241 is an apocalyptic number.

It is an amenable number.

142554241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142554241 is an equidigital number, since it uses as much as digits as its factorization.

142554241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 28.

The square root of 142554241 is about 11939.6080756447. The cubic root of 142554241 is about 522.3882269707.

It can be divided in two parts, 14255 and 4241, that added together give a square (18496 = 136²).

The spelling of 142554241 in words is "one hundred forty-two million, five hundred fifty-four thousand, two hundred forty-one".