144636426 has 24 divisors (see below), whose sum is σ = 341868384. Its totient is φ = 43829160.

The previous prime is 144636403. The next prime is 144636431. The reversal of 144636426 is 624636441.

144636426 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 3 + 642 + 6 = 666.

144636426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365046 + ... + 365441.

It is an arithmetic number, because the mean of its divisors is an integer number (14244516).

Almost surely, 2^144636426 is an apocalyptic number.

144636426 is an abundant number, since it is smaller than the sum of its proper divisors (197231958).

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

144636426 is a wasteful number, since it uses less digits than its factorization.

144636426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730506 (or 730503 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 144636426 is about 12026.4885149407. The cubic root of 144636426 is about 524.9193236576.

The spelling of 144636426 in words is "one hundred forty-four million, six hundred thirty-six thousand, four hundred twenty-six".