144426536 has 16 divisors (see below), whose sum is σ = 274228800. Its totient is φ = 71298864.

The previous prime is 144426511. The next prime is 144426539. The reversal of 144426536 is 635624441.

It is a junction number, because it is equal to n+sod(n) for n = 144426496 and 144426505.

It is not an unprimeable number, because it can be changed into a prime (144426539) 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, 113630 + ... + 114893.

It is an arithmetic number, because the mean of its divisors is an integer number (17139300).

Almost surely, 2^144426536 is an apocalyptic number.

It is an amenable number.

144426536 is a deficient number, since it is larger than the sum of its proper divisors (129802264).

144426536 is a wasteful number, since it uses less digits than its factorization.

144426536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228608 (or 228604 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 144426536 is about 12017.7591921290. The cubic root of 144426536 is about 524.6652874816.

The spelling of 144426536 in words is "one hundred forty-four million, four hundred twenty-six thousand, five hundred thirty-six".