144189157 has 16 divisors (see below), whose sum is σ = 174029440. Its totient is φ = 116702208.

The previous prime is 144189151. The next prime is 144189173. The reversal of 144189157 is 751981441.

It is a de Polignac number, because none of the positive numbers 2^k-144189157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144189151) 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, 43213 + ... + 46429.

It is an arithmetic number, because the mean of its divisors is an integer number (10876840).

Almost surely, 2^144189157 is an apocalyptic number.

It is an amenable number.

144189157 is a deficient number, since it is larger than the sum of its proper divisors (29840283).

144189157 is a wasteful number, since it uses less digits than its factorization.

144189157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its digits is 40320, while the sum is 40.

The square root of 144189157 is about 12007.8789550861. The cubic root of 144189157 is about 524.3776837841.

The spelling of 144189157 in words is "one hundred forty-four million, one hundred eighty-nine thousand, one hundred fifty-seven".