150023643 has 24 divisors (see below), whose sum is σ = 253846080. Its totient is φ = 77933520.

The previous prime is 150023609. The next prime is 150023647. The reversal of 150023643 is 346320051.

It is a happy number.

It is not a de Polignac number, because 150023643 - 2²¹ = 147926491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150023647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44773 + ... + 48006.

It is an arithmetic number, because the mean of its divisors is an integer number (10576920).

Almost surely, 2^150023643 is an apocalyptic number.

150023643 is a deficient number, since it is larger than the sum of its proper divisors (103822437).

150023643 is a wasteful number, since it uses less digits than its factorization.

150023643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92807 (or 92800 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 150023643 is about 12248.4138973175. The cubic root of 150023643 is about 531.3571991653.

Adding to 150023643 its reverse (346320051), we get a palindrome (496343694).

The spelling of 150023643 in words is "one hundred fifty million, twenty-three thousand, six hundred forty-three".