144606699 has 12 divisors (see below), whose sum is σ = 212417400. Its totient is φ = 94770144.

The previous prime is 144606697. The next prime is 144606751. The reversal of 144606699 is 996606441.

It is not a de Polignac number, because 144606699 - 2¹ = 144606697 is a prime.

It is a super-2 number, since 2×144606699² = 41822194791353202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (144606697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135634 + ... + 136695.

It is an arithmetic number, because the mean of its divisors is an integer number (17701450).

Almost surely, 2^144606699 is an apocalyptic number.

144606699 is a deficient number, since it is larger than the sum of its proper divisors (67810701).

144606699 is a wasteful number, since it uses less digits than its factorization.

144606699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272394 (or 272391 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 144606699 is about 12025.2525545204. The cubic root of 144606699 is about 524.8833591215.

The spelling of 144606699 in words is "one hundred forty-four million, six hundred six thousand, six hundred ninety-nine".