150640384 has 72 divisors (see below), whose sum is σ = 315675360. Its totient is φ = 71651328.

The previous prime is 150640381. The next prime is 150640387. The reversal of 150640384 is 483046051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (150640381) and next prime (150640387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150640381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764574 + ... + 764770.

It is an arithmetic number, because the mean of its divisors is an integer number (4384380).

Almost surely, 2^150640384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150640384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157837680).

150640384 is an abundant number, since it is smaller than the sum of its proper divisors (165034976).

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

150640384 is a wasteful number, since it uses less digits than its factorization.

150640384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 150640384 is about 12273.5644374403. The cubic root of 150640384 is about 532.0843328347.

The spelling of 150640384 in words is "one hundred fifty million, six hundred forty thousand, three hundred eighty-four".