14420154 has 16 divisors (see below), whose sum is σ = 32960448. Its totient is φ = 4120032.

The previous prime is 14420143. The next prime is 14420251. The reversal of 14420154 is 45102441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 14420154.

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 7 ways as a sum of consecutive naturals, for example, 171627 + ... + 171710.

It is an arithmetic number, because the mean of its divisors is an integer number (2060028).

Almost surely, 2^14420154 is an apocalyptic number.

14420154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14420154 is an abundant number, since it is smaller than the sum of its proper divisors (18540294).

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

14420154 is a wasteful number, since it uses less digits than its factorization.

14420154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343349.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 14420154 is about 3797.3877863605. The cubic root of 14420154 is about 243.4015275601.

Adding to 14420154 its reverse (45102441), we get a palindrome (59522595).

The spelling of 14420154 in words is "fourteen million, four hundred twenty thousand, one hundred fifty-four".