144877878 has 24 divisors (see below), whose sum is σ = 316303416. Its totient is φ = 47923200.

The previous prime is 144877871. The next prime is 144877883. The reversal of 144877878 is 878778441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144877871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28363 + ... + 33078.

It is an arithmetic number, because the mean of its divisors is an integer number (13179309).

Almost surely, 2^144877878 is an apocalyptic number.

144877878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144877878 is an abundant number, since it is smaller than the sum of its proper divisors (171425538).

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

144877878 is a wasteful number, since it uses less digits than its factorization.

144877878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61580 (or 61577 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 54.

The square root of 144877878 is about 12036.5226706055. The cubic root of 144877878 is about 525.2112564770.

The spelling of 144877878 in words is "one hundred forty-four million, eight hundred seventy-seven thousand, eight hundred seventy-eight".