144373603 has 16 divisors (see below), whose sum is σ = 164570112. Its totient is φ = 125460000.

The previous prime is 144373597. The next prime is 144373631. The reversal of 144373603 is 306373441.

It is a cyclic number.

It is not a de Polignac number, because 144373603 - 2¹⁷ = 144242531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144373303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25753 + ... + 30853.

It is an arithmetic number, because the mean of its divisors is an integer number (10285632).

Almost surely, 2^144373603 is an apocalyptic number.

144373603 is a deficient number, since it is larger than the sum of its proper divisors (20196509).

144373603 is a wasteful number, since it uses less digits than its factorization.

144373603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 144373603 is about 12015.5567078683. The cubic root of 144373603 is about 524.6011822232.

The spelling of 144373603 in words is "one hundred forty-four million, three hundred seventy-three thousand, six hundred three".