144157433 has 8 divisors (see below), whose sum is σ = 174442752. Its totient is φ = 116294976.

The previous prime is 144157417. The next prime is 144157487. The reversal of 144157433 is 334751441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144157433 - 2⁴ = 144157417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144157433.

It is not an unprimeable number, because it can be changed into a prime (144157493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605585 + ... + 605822.

It is an arithmetic number, because the mean of its divisors is an integer number (21805344).

Almost surely, 2^144157433 is an apocalyptic number.

It is an amenable number.

144157433 is a deficient number, since it is larger than the sum of its proper divisors (30285319).

144157433 is a wasteful number, since it uses less digits than its factorization.

144157433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211431.

The product of its digits is 20160, while the sum is 32.

The square root of 144157433 is about 12006.5579164055. The cubic root of 144157433 is about 524.3392237081.

The spelling of 144157433 in words is "one hundred forty-four million, one hundred fifty-seven thousand, four hundred thirty-three".