144366556 has 12 divisors (see below), whose sum is σ = 252754992. Its totient is φ = 72150848.

The previous prime is 144366539. The next prime is 144366577. The reversal of 144366556 is 655663441.

It is a super-2 number, since 2×144366556² = 41683404982602272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (21062916).

Almost surely, 2^144366556 is an apocalyptic number.

It is an amenable number.

144366556 is a deficient number, since it is larger than the sum of its proper divisors (108388436).

144366556 is a wasteful number, since it uses less digits than its factorization.

144366556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16220 (or 16218 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 144366556 is about 12015.2634594502. The cubic root of 144366556 is about 524.5926466724.

The spelling of 144366556 in words is "one hundred forty-four million, three hundred sixty-six thousand, five hundred fifty-six".