144685650 has 24 divisors (see below), whose sum is σ = 358820784. Its totient is φ = 38582800.

The previous prime is 144685643. The next prime is 144685753. The reversal of 144685650 is 56586441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144685599 and 144685608.

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, 482136 + ... + 482435.

It is an arithmetic number, because the mean of its divisors is an integer number (14950866).

Almost surely, 2^144685650 is an apocalyptic number.

144685650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144685650 is an abundant number, since it is smaller than the sum of its proper divisors (214135134).

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

144685650 is a wasteful number, since it uses less digits than its factorization.

144685650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964586 (or 964581 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 144685650 is about 12028.5348234937. The cubic root of 144685650 is about 524.9788653624.

The spelling of 144685650 in words is "one hundred forty-four million, six hundred eighty-five thousand, six hundred fifty".