144073737 has 6 divisors (see below), whose sum is σ = 208106522. Its totient is φ = 96049152.

The previous prime is 144073723. The next prime is 144073799. The reversal of 144073737 is 737370441.

It can be written as a sum of positive squares in only one way, i.e., 141705216 + 2368521 = 11904^2 + 1539^2 .

It is not a de Polignac number, because 144073737 - 2⁶ = 144073673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144073837) 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, 8004088 + ... + 8004105.

Almost surely, 2^144073737 is an apocalyptic number.

It is an amenable number.

144073737 is a deficient number, since it is larger than the sum of its proper divisors (64032785).

144073737 is a wasteful number, since it uses less digits than its factorization.

144073737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16008199 (or 16008196 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 144073737 is about 12003.0719817887. The cubic root of 144073737 is about 524.2377291348.

The spelling of 144073737 in words is "one hundred forty-four million, seventy-three thousand, seven hundred thirty-seven".