150231940 has 12 divisors (see below), whose sum is σ = 315487116. Its totient is φ = 60092768.

The previous prime is 150231937. The next prime is 150231943. The reversal of 150231940 is 49132051.

It is an interprime number because it is at equal distance from previous prime (150231937) and next prime (150231943).

It can be written as a sum of positive squares in 2 ways, for example, as 17106496 + 133125444 = 4136^2 + 11538^2 .

It is not an unprimeable number, because it can be changed into a prime (150231943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755779 + ... + 3755818.

It is an arithmetic number, because the mean of its divisors is an integer number (26290593).

Almost surely, 2^150231940 is an apocalyptic number.

150231940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150231940 is an abundant number, since it is smaller than the sum of its proper divisors (165255176).

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

150231940 is a wasteful number, since it uses less digits than its factorization.

150231940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511606 (or 7511604 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 150231940 is about 12256.9139672268. The cubic root of 150231940 is about 531.6030024801.

Adding to 150231940 its reverse (49132051), we get a palindrome (199363991).

The spelling of 150231940 in words is "one hundred fifty million, two hundred thirty-one thousand, nine hundred forty".