150542878 has 4 divisors (see below), whose sum is σ = 225814320. Its totient is φ = 75271438.

The previous prime is 150542839. The next prime is 150542881. The reversal of 150542878 is 878245051.

150542878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 150542878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37635718 + ... + 37635721.

It is an arithmetic number, because the mean of its divisors is an integer number (56453580).

Almost surely, 2^150542878 is an apocalyptic number.

150542878 is a deficient number, since it is larger than the sum of its proper divisors (75271442).

150542878 is an equidigital number, since it uses as much as digits as its factorization.

150542878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75271441.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 150542878 is about 12269.5915987452. The cubic root of 150542878 is about 531.9695061384.

The spelling of 150542878 in words is "one hundred fifty million, five hundred forty-two thousand, eight hundred seventy-eight".