144203650 has 12 divisors (see below), whose sum is σ = 268218882. Its totient is φ = 57681440.

The previous prime is 144203623. The next prime is 144203651. The reversal of 144203650 is 56302441.

It can be written as a sum of positive squares in 3 ways, for example, as 121154049 + 23049601 = 11007^2 + 4801^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (144203651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1441987 + ... + 1442086.

Almost surely, 2^144203650 is an apocalyptic number.

144203650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144203650 is a deficient number, since it is larger than the sum of its proper divisors (124015232).

144203650 is a wasteful number, since it uses less digits than its factorization.

144203650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884085 (or 2884080 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 144203650 is about 12008.4824186905. The cubic root of 144203650 is about 524.3952522599.

The spelling of 144203650 in words is "one hundred forty-four million, two hundred three thousand, six hundred fifty".