144861246 has 48 divisors (see below), whose sum is σ = 318689280. Its totient is φ = 47552400.

The previous prime is 144861221. The next prime is 144861247. The reversal of 144861246 is 642168441.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144861246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144861247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605995 + ... + 606233.

It is an arithmetic number, because the mean of its divisors is an integer number (6639360).

Almost surely, 2^144861246 is an apocalyptic number.

144861246 is an abundant number, since it is smaller than the sum of its proper divisors (173828034).

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

144861246 is a wasteful number, since it uses less digits than its factorization.

144861246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 618 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 144861246 is about 12035.8317535599. The cubic root of 144861246 is about 525.1911576001.

The spelling of 144861246 in words is "one hundred forty-four million, eight hundred sixty-one thousand, two hundred forty-six".