14400155 has 32 divisors (see below), whose sum is σ = 21800448. Its totient is φ = 8870400.

The previous prime is 14400137. The next prime is 14400187. The reversal of 14400155 is 55100441.

It is not a de Polignac number, because 14400155 - 2⁶ = 14400091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43340 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (681264).

Almost surely, 2^14400155 is an apocalyptic number.

14400155 is a deficient number, since it is larger than the sum of its proper divisors (7400293).

14400155 is a wasteful number, since it uses less digits than its factorization.

14400155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 14400155 is about 3794.7536151903. The cubic root of 14400155 is about 243.2889527284.

Adding to 14400155 its reverse (55100441), we get a palindrome (69500596).

The spelling of 14400155 in words is "fourteen million, four hundred thousand, one hundred fifty-five".