144353603 has 4 divisors (see below), whose sum is σ = 144486768. Its totient is φ = 144220440.

The previous prime is 144353597. The next prime is 144353617. The reversal of 144353603 is 306353441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144353603 - 2⁸ = 144353347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144353653) 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, 64943 + ... + 67128.

It is an arithmetic number, because the mean of its divisors is an integer number (36121692).

Almost surely, 2^144353603 is an apocalyptic number.

144353603 is a deficient number, since it is larger than the sum of its proper divisors (133165).

144353603 is a wasteful number, since it uses less digits than its factorization.

144353603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133164.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 144353603 is about 12014.7244246383. The cubic root of 144353603 is about 524.5769568617.

The spelling of 144353603 in words is "one hundred forty-four million, three hundred fifty-three thousand, six hundred three".