150755993 has 2 divisors, whose sum is σ = 150755994. Its totient is φ = 150755992.

The previous prime is 150755989. The next prime is 150756029. The reversal of 150755993 is 399557051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96983104 + 53772889 = 9848^2 + 7333^2 .

It is a cyclic number.

It is not a de Polignac number, because 150755993 - 2² = 150755989 is a prime.

It is not a weakly prime, because it can be changed into another prime (150755923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75377996 + 75377997.

It is an arithmetic number, because the mean of its divisors is an integer number (75377997).

Almost surely, 2^150755993 is an apocalyptic number.

It is an amenable number.

150755993 is a deficient number, since it is larger than the sum of its proper divisors (1).

150755993 is an equidigital number, since it uses as much as digits as its factorization.

150755993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 150755993 is about 12278.2732092098. The cubic root of 150755993 is about 532.2204141131.

The spelling of 150755993 in words is "one hundred fifty million, seven hundred fifty-five thousand, nine hundred ninety-three".