144045436 has 12 divisors (see below), whose sum is σ = 260772120. Its totient is φ = 69539120.

The previous prime is 144045431. The next prime is 144045449. The reversal of 144045436 is 634540441.

It is a junction number, because it is equal to n+sod(n) for n = 144045398 and 144045407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144045431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620770 + ... + 621001.

It is an arithmetic number, because the mean of its divisors is an integer number (21731010).

Almost surely, 2^144045436 is an apocalyptic number.

It is an amenable number.

144045436 is a deficient number, since it is larger than the sum of its proper divisors (116726684).

144045436 is a wasteful number, since it uses less digits than its factorization.

144045436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241804 (or 1241802 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 144045436 is about 12001.8930173536. The cubic root of 144045436 is about 524.2034008252.

Adding to 144045436 its reverse (634540441), we get a palindrome (778585877).

The spelling of 144045436 in words is "one hundred forty-four million, forty-five thousand, four hundred thirty-six".