146891472 has 80 divisors (see below), whose sum is σ = 467053440. Its totient is φ = 38739456.

The previous prime is 146891453. The next prime is 146891557. The reversal of 146891472 is 274198641.

146891472 is digitally balanced in base 3, 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12447 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (5838168).

Almost surely, 2^146891472 is an apocalyptic number.

146891472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146891472 is an abundant number, since it is smaller than the sum of its proper divisors (320161968).

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

146891472 is a wasteful number, since it uses less digits than its factorization.

146891472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660 (or 33654 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 146891472 is about 12119.8792073189. The cubic root of 146891472 is about 527.6332968019.

It can be divided in two parts, 14689 and 1472, that added together give a palindrome (16161).

The spelling of 146891472 in words is "one hundred forty-six million, eight hundred ninety-one thousand, four hundred seventy-two".