150251243 has 2 divisors, whose sum is σ = 150251244. Its totient is φ = 150251242.

The previous prime is 150251239. The next prime is 150251261. The reversal of 150251243 is 342152051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150251243 - 2² = 150251239 is a prime.

It is not a weakly prime, because it can be changed into another prime (150251293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75125621 + 75125622.

It is an arithmetic number, because the mean of its divisors is an integer number (75125622).

Almost surely, 2^150251243 is an apocalyptic number.

150251243 is a deficient number, since it is larger than the sum of its proper divisors (1).

150251243 is an equidigital number, since it uses as much as digits as its factorization.

150251243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 150251243 is about 12257.7013750540. The cubic root of 150251243 is about 531.6257697054.

The spelling of 150251243 in words is "one hundred fifty million, two hundred fifty-one thousand, two hundred forty-three".