146311140 has 48 divisors (see below), whose sum is σ = 410659200. Its totient is φ = 38922240.

The previous prime is 146311127. The next prime is 146311147. The reversal of 146311140 is 41113641.

It is not an unprimeable number, because it can be changed into a prime (146311147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24225 + ... + 29655.

It is an arithmetic number, because the mean of its divisors is an integer number (8555400).

Almost surely, 2^146311140 is an apocalyptic number.

146311140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146311140 is an abundant number, since it is smaller than the sum of its proper divisors (264348060).

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

146311140 is a wasteful number, since it uses less digits than its factorization.

146311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 146311140 is about 12095.9141862035. The cubic root of 146311140 is about 526.9375300267.

Adding to 146311140 its reverse (41113641), we get a palindrome (187424781).

The spelling of 146311140 in words is "one hundred forty-six million, three hundred eleven thousand, one hundred forty".