144627636 has 24 divisors (see below), whose sum is σ = 357315840. Its totient is φ = 45373312.

The previous prime is 144627599. The next prime is 144627643. The reversal of 144627636 is 636726441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144627594 and 144627603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354276 + ... + 354683.

It is an arithmetic number, because the mean of its divisors is an integer number (14888160).

Almost surely, 2^144627636 is an apocalyptic number.

It is an amenable number.

144627636 is an abundant number, since it is smaller than the sum of its proper divisors (212688204).

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

144627636 is a wasteful number, since it uses less digits than its factorization.

144627636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708983 (or 708981 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 144627636 is about 12026.1230660592. The cubic root of 144627636 is about 524.9086897888.

The spelling of 144627636 in words is "one hundred forty-four million, six hundred twenty-seven thousand, six hundred thirty-six".