144349236 has 24 divisors (see below), whose sum is σ = 374239040. Its totient is φ = 48116376.

The previous prime is 144349229. The next prime is 144349277. The reversal of 144349236 is 632943441.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 144349236.

It is a congruent number.

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, 668176 + ... + 668391.

Almost surely, 2^144349236 is an apocalyptic number.

It is an amenable number.

144349236 is an abundant number, since it is smaller than the sum of its proper divisors (229889804).

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

144349236 is a wasteful number, since it uses less digits than its factorization.

144349236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336580 (or 1336572 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 144349236 is about 12014.5426879262. The cubic root of 144349236 is about 524.5716669564.

The spelling of 144349236 in words is "one hundred forty-four million, three hundred forty-nine thousand, two hundred thirty-six".