151447878 has 24 divisors (see below), whose sum is σ = 329454216. Its totient is φ = 50280000.

The previous prime is 151447853. The next prime is 151447909. The reversal of 151447878 is 878744151.

151447878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12243 + ... + 21278.

It is an arithmetic number, because the mean of its divisors is an integer number (13727259).

Almost surely, 2^151447878 is an apocalyptic number.

151447878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

151447878 is an abundant number, since it is smaller than the sum of its proper divisors (178006338).

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

151447878 is a wasteful number, since it uses less digits than its factorization.

151447878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33780 (or 33777 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 151447878 is about 12306.4161314332. The cubic root of 151447878 is about 533.0333689085.

The spelling of 151447878 in words is "one hundred fifty-one million, four hundred forty-seven thousand, eight hundred seventy-eight".