150657109 has 2 divisors, whose sum is σ = 150657110. Its totient is φ = 150657108.

The previous prime is 150657047. The next prime is 150657121. The reversal of 150657109 is 901756051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108368100 + 42289009 = 10410^2 + 6503^2 .

It is a cyclic number.

It is not a de Polignac number, because 150657109 - 2⁷ = 150656981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150657809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75328554 + 75328555.

It is an arithmetic number, because the mean of its divisors is an integer number (75328555).

Almost surely, 2^150657109 is an apocalyptic number.

It is an amenable number.

150657109 is a deficient number, since it is larger than the sum of its proper divisors (1).

150657109 is an equidigital number, since it uses as much as digits as its factorization.

150657109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 150657109 is about 12274.2457609419. The cubic root of 150657109 is about 532.1040238385.

The spelling of 150657109 in words is "one hundred fifty million, six hundred fifty-seven thousand, one hundred nine".