150138601 has 2 divisors, whose sum is σ = 150138602. Its totient is φ = 150138600.

The previous prime is 150138557. The next prime is 150138613. The reversal of 150138601 is 106831051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90231001 + 59907600 = 9499^2 + 7740^2 .

It is a cyclic number.

It is not a de Polignac number, because 150138601 - 2²⁷ = 15920873 is a prime.

It is not a weakly prime, because it can be changed into another prime (150138661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75069300 + 75069301.

It is an arithmetic number, because the mean of its divisors is an integer number (75069301).

Almost surely, 2^150138601 is an apocalyptic number.

It is an amenable number.

150138601 is a deficient number, since it is larger than the sum of its proper divisors (1).

150138601 is an equidigital number, since it uses as much as digits as its factorization.

150138601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 150138601 is about 12253.1057695590. The cubic root of 150138601 is about 531.4928848128.

Adding to 150138601 its reverse (106831051), we get a palindrome (256969652).

The spelling of 150138601 in words is "one hundred fifty million, one hundred thirty-eight thousand, six hundred one".