150645217989 has 12 divisors (see below), whose sum is σ = 229557328224. Its totient is φ = 86081965344.

The previous prime is 150645217951. The next prime is 150645217993. The reversal of 150645217989 is 989712546051.

It is a happy number.

It is not a de Polignac number, because 150645217989 - 2⁸ = 150645217733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150645217999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736289 + ... + 1820985.

It is an arithmetic number, because the mean of its divisors is an integer number (19129777352).

Almost surely, 2^150645217989 is an apocalyptic number.

It is an amenable number.

150645217989 is a deficient number, since it is larger than the sum of its proper divisors (78912110235).

150645217989 is an frugal number, since it uses more digits than its factorization.

150645217989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169404 (or 84707 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 150645217989 in words is "one hundred fifty billion, six hundred forty-five million, two hundred seventeen thousand, nine hundred eighty-nine".