146511240 has 32 divisors (see below), whose sum is σ = 439534080. Its totient is φ = 39069632.

The previous prime is 146511227. The next prime is 146511293. The reversal of 146511240 is 42115641.

It is a happy number.

146511240 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 146511240.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 610344 + ... + 610583.

It is an arithmetic number, because the mean of its divisors is an integer number (13735440).

Almost surely, 2^146511240 is an apocalyptic number.

146511240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146511240 is an abundant number, since it is smaller than the sum of its proper divisors (293022840).

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

146511240 is a wasteful number, since it uses less digits than its factorization.

146511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220941 (or 1220937 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 146511240 is about 12104.1827481247. The cubic root of 146511240 is about 527.1776397190.

Adding to 146511240 its reverse (42115641), we get a palindrome (188626881).

The spelling of 146511240 in words is "one hundred forty-six million, five hundred eleven thousand, two hundred forty".