144113436 has 18 divisors (see below), whose sum is σ = 364286832. Its totient is φ = 48037800.

The previous prime is 144113429. The next prime is 144113477. The reversal of 144113436 is 634311441.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2001540 + ... + 2001611.

Almost surely, 2^144113436 is an apocalyptic number.

It is an amenable number.

144113436 is an abundant number, since it is smaller than the sum of its proper divisors (220173396).

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

144113436 is a wasteful number, since it uses less digits than its factorization.

144113436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003161 (or 4003156 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 144113436 is about 12004.7255695414. The cubic root of 144113436 is about 524.2858753198.

Adding to 144113436 its reverse (634311441), we get a palindrome (778424877).

The spelling of 144113436 in words is "one hundred forty-four million, one hundred thirteen thousand, four hundred thirty-six".