14144685225 has 36 divisors (see below), whose sum is σ = 25705156848. Its totient is φ = 6858024800.

The previous prime is 14144685221. The next prime is 14144685229. The reversal of 14144685225 is 52258644141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14144685221) and next prime (14144685229).

It is not a de Polignac number, because 14144685225 - 2² = 14144685221 is a prime.

It is a super-2 number, since 2×14144685225² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14144685221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 770247 + ... + 788396.

Almost surely, 2^14144685225 is an apocalyptic number.

14144685225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14144685225 is a deficient number, since it is larger than the sum of its proper divisors (11560471623).

14144685225 is a wasteful number, since it uses less digits than its factorization.

14144685225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558678 (or 1558662 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The spelling of 14144685225 in words is "fourteen billion, one hundred forty-four million, six hundred eighty-five thousand, two hundred twenty-five".