144999736 has 16 divisors (see below), whose sum is σ = 310713840. Its totient is φ = 62142720.

The previous prime is 144999733. The next prime is 144999737. The reversal of 144999736 is 637999441.

144999736 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144999731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294585 + ... + 1294696.

It is an arithmetic number, because the mean of its divisors is an integer number (19419615).

Almost surely, 2^144999736 is an apocalyptic number.

It is an amenable number.

144999736 is an abundant number, since it is smaller than the sum of its proper divisors (165714104).

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

144999736 is a wasteful number, since it uses less digits than its factorization.

144999736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589294 (or 2589290 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 144999736 is about 12041.5836167840. The cubic root of 144999736 is about 525.3584684107.

The spelling of 144999736 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, seven hundred thirty-six".