150142261 has 2 divisors, whose sum is σ = 150142262. Its totient is φ = 150142260.

The previous prime is 150142259. The next prime is 150142297. The reversal of 150142261 is 162241051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102394161 + 47748100 = 10119^2 + 6910^2 .

It is a cyclic number.

It is not a de Polignac number, because 150142261 - 2¹ = 150142259 is a prime.

Together with 150142259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150142231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75071130 + 75071131.

It is an arithmetic number, because the mean of its divisors is an integer number (75071131).

Almost surely, 2^150142261 is an apocalyptic number.

It is an amenable number.

150142261 is a deficient number, since it is larger than the sum of its proper divisors (1).

150142261 is an equidigital number, since it uses as much as digits as its factorization.

150142261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 150142261 is about 12253.2551185389. The cubic root of 150142261 is about 531.4972035959.

The spelling of 150142261 in words is "one hundred fifty million, one hundred forty-two thousand, two hundred sixty-one".