146000778 has 48 divisors (see below), whose sum is σ = 366824640. Its totient is φ = 37920960.

The previous prime is 146000759. The next prime is 146000783. The reversal of 146000778 is 877000641.

146000778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9283 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (7642180).

Almost surely, 2^146000778 is an apocalyptic number.

146000778 is an abundant number, since it is smaller than the sum of its proper divisors (220823862).

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

146000778 is a wasteful number, since it uses less digits than its factorization.

146000778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763 (or 28752 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 146000778 is about 12083.0781674208. The cubic root of 146000778 is about 526.5646781273.

The spelling of 146000778 in words is "one hundred forty-six million, seven hundred seventy-eight", and thus it is an aban number.