144157454 has 16 divisors (see below), whose sum is σ = 247474176. Its totient is φ = 61695000.

The previous prime is 144157417. The next prime is 144157487. The reversal of 144157454 is 454751441.

144157454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (15467136).

Almost surely, 2^144157454 is an apocalyptic number.

144157454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144157454 is a deficient number, since it is larger than the sum of its proper divisors (103316722).

144157454 is a wasteful number, since it uses less digits than its factorization.

144157454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471.

The product of its digits is 44800, while the sum is 35.

The square root of 144157454 is about 12006.5587909276. The cubic root of 144157454 is about 524.3392491690.

The spelling of 144157454 in words is "one hundred forty-four million, one hundred fifty-seven thousand, four hundred fifty-four".