78314148 has 48 divisors (see below), whose sum is σ = 221497920. Its totient is φ = 23731200.

The previous prime is 78314147. The next prime is 78314221. The reversal of 78314148 is 84141387.

78314148 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×78314148² = 12266211553931808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (78314147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31773 + ... + 34148.

It is an arithmetic number, because the mean of its divisors is an integer number (4614540).

Almost surely, 2^78314148 is an apocalyptic number.

It is an amenable number.

78314148 is an abundant number, since it is smaller than the sum of its proper divisors (143183772).

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

78314148 is a wasteful number, since it uses less digits than its factorization.

78314148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65945 (or 65937 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 78314148 is about 8849.5281230131. The cubic root of 78314148 is about 427.8387097154.

The spelling of 78314148 in words is "seventy-eight million, three hundred fourteen thousand, one hundred forty-eight".