331545146 has 16 divisors (see below), whose sum is σ = 505760640. Its totient is φ = 162976320.

The previous prime is 331545143. The next prime is 331545167. The reversal of 331545146 is 641545133.

It is a super-2 number, since 2×331545146² = 219844367672322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331545143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33725 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (31610040).

Almost surely, 2^331545146 is an apocalyptic number.

331545146 is a deficient number, since it is larger than the sum of its proper divisors (174215494).

331545146 is a wasteful number, since it uses less digits than its factorization.

331545146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029.

The product of its digits is 21600, while the sum is 32.

The square root of 331545146 is about 18208.3812020729. The cubic root of 331545146 is about 692.1191907694.

The spelling of 331545146 in words is "three hundred thirty-one million, five hundred forty-five thousand, one hundred forty-six".