146549478 has 24 divisors (see below), whose sum is σ = 299494872. Its totient is φ = 47806144.

The previous prime is 146549477. The next prime is 146549497. The reversal of 146549478 is 874945641.

146549478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146549477) 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, 7726 + ... + 18782.

It is an arithmetic number, because the mean of its divisors is an integer number (12478953).

Almost surely, 2^146549478 is an apocalyptic number.

146549478 is an abundant number, since it is smaller than the sum of its proper divisors (152945394).

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

146549478 is a wasteful number, since it uses less digits than its factorization.

146549478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156 (or 11109 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 146549478 is about 12105.7621817050. The cubic root of 146549478 is about 527.2234984648.

The spelling of 146549478 in words is "one hundred forty-six million, five hundred forty-nine thousand, four hundred seventy-eight".