144807219 has 12 divisors (see below), whose sum is σ = 210694536. Its totient is φ = 95832672.

The previous prime is 144807217. The next prime is 144807239. The reversal of 144807219 is 912708441.

It is not a de Polignac number, because 144807219 - 2¹ = 144807217 is a prime.

It is a super-2 number, since 2×144807219² = 41938261349027922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144807211) 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, 57489 + ... + 59954.

It is an arithmetic number, because the mean of its divisors is an integer number (17557878).

Almost surely, 2^144807219 is an apocalyptic number.

144807219 is a deficient number, since it is larger than the sum of its proper divisors (65887317).

144807219 is a wasteful number, since it uses less digits than its factorization.

144807219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117586 (or 117583 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 144807219 is about 12033.5871210541. The cubic root of 144807219 is about 525.1258582610.

The spelling of 144807219 in words is "one hundred forty-four million, eight hundred seven thousand, two hundred nineteen".