14540004 has 18 divisors (see below), whose sum is σ = 36753990. Its totient is φ = 4846656.

The previous prime is 14540003. The next prime is 14540011. The reversal of 14540004 is 40004541.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 1232100 = 3648^2 + 1110^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×14540004² = 422823432640032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14540003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201909 + ... + 201980.

Almost surely, 2^14540004 is an apocalyptic number.

It is an amenable number.

14540004 is an abundant number, since it is smaller than the sum of its proper divisors (22213986).

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

14540004 is a wasteful number, since it uses less digits than its factorization.

14540004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403899 (or 403894 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14540004 is about 3813.1357174903. The cubic root of 14540004 is about 244.0739943999.

Adding to 14540004 its reverse (40004541), we get a palindrome (54544545).

The spelling of 14540004 in words is "fourteen million, five hundred forty thousand, four".