150685049 has 2 divisors, whose sum is σ = 150685050. Its totient is φ = 150685048.

The previous prime is 150685043. The next prime is 150685081. The reversal of 150685049 is 940586051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141443449 + 9241600 = 11893^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 150685049 - 2⁴ = 150685033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150685043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75342524 + 75342525.

It is an arithmetic number, because the mean of its divisors is an integer number (75342525).

Almost surely, 2^150685049 is an apocalyptic number.

It is an amenable number.

150685049 is a deficient number, since it is larger than the sum of its proper divisors (1).

150685049 is an equidigital number, since it uses as much as digits as its factorization.

150685049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 150685049 is about 12275.3838636517. The cubic root of 150685049 is about 532.1369154548.

The spelling of 150685049 in words is "one hundred fifty million, six hundred eighty-five thousand, forty-nine".