147878514 has 64 divisors (see below), whose sum is σ = 381235200. Its totient is φ = 41613264.

The previous prime is 147878491. The next prime is 147878531. The reversal of 147878514 is 415878741.

It is a self number, because there is not a number n which added to its sum of digits gives 147878514.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22407 + ... + 28245.

It is an arithmetic number, because the mean of its divisors is an integer number (5956800).

Almost surely, 2^147878514 is an apocalyptic number.

147878514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147878514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190617600).

147878514 is an abundant number, since it is smaller than the sum of its proper divisors (233356686).

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

147878514 is a wasteful number, since it uses less digits than its factorization.

147878514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924 (or 5918 counting only the distinct ones).

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

The square root of 147878514 is about 12160.5309916960. The cubic root of 147878514 is about 528.8124758932.

The spelling of 147878514 in words is "one hundred forty-seven million, eight hundred seventy-eight thousand, five hundred fourteen".