150640573 has 2 divisors, whose sum is σ = 150640574. Its totient is φ = 150640572.

The previous prime is 150640561. The next prime is 150640577. The reversal of 150640573 is 375046051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141562404 + 9078169 = 11898^2 + 3013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150640573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150640577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75320286 + 75320287.

It is an arithmetic number, because the mean of its divisors is an integer number (75320287).

Almost surely, 2^150640573 is an apocalyptic number.

It is an amenable number.

150640573 is a deficient number, since it is larger than the sum of its proper divisors (1).

150640573 is an equidigital number, since it uses as much as digits as its factorization.

150640573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 150640573 is about 12273.5721369127. The cubic root of 150640573 is about 532.0845553600.

The spelling of 150640573 in words is "one hundred fifty million, six hundred forty thousand, five hundred seventy-three".