150681247 has 2 divisors, whose sum is σ = 150681248. Its totient is φ = 150681246.

The previous prime is 150681169. The next prime is 150681253. The reversal of 150681247 is 742186051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150681247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150681277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75340623 + 75340624.

It is an arithmetic number, because the mean of its divisors is an integer number (75340624).

Almost surely, 2^150681247 is an apocalyptic number.

150681247 is a deficient number, since it is larger than the sum of its proper divisors (1).

150681247 is an equidigital number, since it uses as much as digits as its factorization.

150681247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 150681247 is about 12275.2289999006. The cubic root of 150681247 is about 532.1324398912.

The spelling of 150681247 in words is "one hundred fifty million, six hundred eighty-one thousand, two hundred forty-seven".