144678366 has 32 divisors (see below), whose sum is σ = 367438080. Its totient is φ = 41336568.

The previous prime is 144678353. The next prime is 144678367. The reversal of 144678366 is 663876441.

It is a happy number.

It is a super-4 number, since 4×144678366⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144678367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190996 + ... + 191751.

It is an arithmetic number, because the mean of its divisors is an integer number (11482440).

Almost surely, 2^144678366 is an apocalyptic number.

144678366 is an abundant number, since it is smaller than the sum of its proper divisors (222759714).

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

144678366 is a wasteful number, since it uses less digits than its factorization.

144678366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382765 (or 382759 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 144678366 is about 12028.2320396640. The cubic root of 144678366 is about 524.9700554349.

The spelling of 144678366 in words is "one hundred forty-four million, six hundred seventy-eight thousand, three hundred sixty-six".