146480778 has 32 divisors (see below), whose sum is σ = 329980800. Its totient is φ = 48156768.

The previous prime is 146480771. The next prime is 146480783. The reversal of 146480778 is 877084641.

146480778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146480771) 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, 14638 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (10311900).

Almost surely, 2^146480778 is an apocalyptic number.

146480778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146480778 is an abundant number, since it is smaller than the sum of its proper divisors (183500022).

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

146480778 is a wasteful number, since it uses less digits than its factorization.

146480778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37243 (or 37237 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 146480778 is about 12102.9243573609. The cubic root of 146480778 is about 527.1411010017.

The spelling of 146480778 in words is "one hundred forty-six million, four hundred eighty thousand, seven hundred seventy-eight".