150111612 has 72 divisors (see below), whose sum is σ = 435090656. Its totient is φ = 42747264.

The previous prime is 150111601. The next prime is 150111617. The reversal of 150111612 is 216111051.

It is a happy number.

150111612 is a `hidden beast` number, since 1 + 50 + 1 + 1 + 1 + 612 = 666.

150111612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150111617) 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, 93198 + ... + 94794.

Almost surely, 2^150111612 is an apocalyptic number.

150111612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150111612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217545328).

150111612 is an abundant number, since it is smaller than the sum of its proper divisors (284979044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150111612 is a wasteful number, since it uses less digits than its factorization.

150111612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 150111612 is about 12252.0044074429. The cubic root of 150111612 is about 531.4610357503.

Adding to 150111612 its reverse (216111051), we get a palindrome (366222663).

The spelling of 150111612 in words is "one hundred fifty million, one hundred eleven thousand, six hundred twelve".