14540491 has 32 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 10824192.

The previous prime is 14540489. The next prime is 14540543. The reversal of 14540491 is 19404541.

It is a cyclic number.

It is not a de Polignac number, because 14540491 - 2¹ = 14540489 is a prime.

It is a super-2 number, since 2×14540491² = 422851757042162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133345 + ... + 133453.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 2^14540491 is an apocalyptic number.

14540491 is a deficient number, since it is larger than the sum of its proper divisors (4467509).

14540491 is a wasteful number, since it uses less digits than its factorization.

14540491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 14540491 is about 3813.1995751599. The cubic root of 14540491 is about 244.0767193580.

The spelling of 14540491 in words is "fourteen million, five hundred forty thousand, four hundred ninety-one".