146774144 has 32 divisors (see below), whose sum is σ = 318986640. Its totient is φ = 66714880.

The previous prime is 146774143. The next prime is 146774171. The reversal of 146774144 is 441477641.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 146774098 and 146774107.

It is not an unprimeable number, because it can be changed into a prime (146774143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50714 + ... + 53529.

Almost surely, 2^146774144 is an apocalyptic number.

It is an amenable number.

146774144 is an abundant number, since it is smaller than the sum of its proper divisors (172212496).

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

146774144 is a wasteful number, since it uses less digits than its factorization.

146774144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104268 (or 104256 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 146774144 is about 12115.0379281288. The cubic root of 146774144 is about 527.4927788893.

The spelling of 146774144 in words is "one hundred forty-six million, seven hundred seventy-four thousand, one hundred forty-four".