14145540 has 48 divisors (see below), whose sum is σ = 39795840. Its totient is φ = 3754240.

The previous prime is 14145539. The next prime is 14145553. The reversal of 14145540 is 4554141.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14145540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16441 + ... + 17279.

It is an arithmetic number, because the mean of its divisors is an integer number (829080).

Almost surely, 2^14145540 is an apocalyptic number.

14145540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14145540 is an abundant number, since it is smaller than the sum of its proper divisors (25650300).

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

14145540 is a wasteful number, since it uses less digits than its factorization.

14145540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 14145540 is about 3761.0557028579. The cubic root of 14145540 is about 241.8465206271.

Adding to 14145540 its reverse (4554141), we get a palindrome (18699681).

The spelling of 14145540 in words is "fourteen million, one hundred forty-five thousand, five hundred forty".