150143993 has 2 divisors, whose sum is σ = 150143994. Its totient is φ = 150143992.

The previous prime is 150143969. The next prime is 150144011. The reversal of 150143993 is 399341051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146579449 + 3564544 = 12107^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 150143993 - 2²⁰ = 149095417 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 (150143923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75071996 + 75071997.

It is an arithmetic number, because the mean of its divisors is an integer number (75071997).

Almost surely, 2^150143993 is an apocalyptic number.

It is an amenable number.

150143993 is a deficient number, since it is larger than the sum of its proper divisors (1).

150143993 is an equidigital number, since it uses as much as digits as its factorization.

150143993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 150143993 is about 12253.3257934326. The cubic root of 150143993 is about 531.4992473234.

The spelling of 150143993 in words is "one hundred fifty million, one hundred forty-three thousand, nine hundred ninety-three".