150994242 has 144 divisors (see below), whose sum is σ = 408957120. Its totient is φ = 39372480.

The previous prime is 150994231. The next prime is 150994243. The reversal of 150994242 is 242499051.

It is a super-2 number, since 2×150994242² = 45598522234309128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150994197 and 150994206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150994243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3511473 + ... + 3511515.

It is an arithmetic number, because the mean of its divisors is an integer number (2839980).

Almost surely, 2^150994242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150994242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204478560).

150994242 is an abundant number, since it is smaller than the sum of its proper divisors (257962878).

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

150994242 is a wasteful number, since it uses less digits than its factorization.

150994242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 150994242 is about 12287.9714355137. The cubic root of 150994242 is about 532.5006334714.

The spelling of 150994242 in words is "one hundred fifty million, nine hundred ninety-four thousand, two hundred forty-two".