150643878 has 64 divisors (see below), whose sum is σ = 384417792. Its totient is φ = 38213280.

The previous prime is 150643877. The next prime is 150643897. The reversal of 150643878 is 878346051.

150643878 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 (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150643873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16075 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (6006528).

Almost surely, 2^150643878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150643878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192208896).

150643878 is an abundant number, since it is smaller than the sum of its proper divisors (233773914).

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

150643878 is a wasteful number, since it uses less digits than its factorization.

150643878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 150643878 is about 12273.7067750537. The cubic root of 150643878 is about 532.0884465795.

The spelling of 150643878 in words is "one hundred fifty million, six hundred forty-three thousand, eight hundred seventy-eight".