150643643 has 2 divisors, whose sum is σ = 150643644. Its totient is φ = 150643642.

The previous prime is 150643637. The next prime is 150643651. The reversal of 150643643 is 346346051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150643643 - 2⁸ = 150643387 is a prime.

It is a super-2 number, since 2×150643643² = 45387014352622898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150643943) 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, 75321821 + 75321822.

It is an arithmetic number, because the mean of its divisors is an integer number (75321822).

Almost surely, 2^150643643 is an apocalyptic number.

150643643 is a deficient number, since it is larger than the sum of its proper divisors (1).

150643643 is an equidigital number, since it uses as much as digits as its factorization.

150643643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 150643643 is about 12273.6972017400. The cubic root of 150643643 is about 532.0881698986.

Adding to 150643643 its reverse (346346051), we get a palindrome (496989694).

The spelling of 150643643 in words is "one hundred fifty million, six hundred forty-three thousand, six hundred forty-three".