144454131 has 32 divisors (see below), whose sum is σ = 226592000. Its totient is φ = 90699264.

The previous prime is 144454127. The next prime is 144454147. The reversal of 144454131 is 131454441.

144454131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144454131 - 2² = 144454127 is a prime.

It is a super-2 number, since 2×144454131² = 41733991925930322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144454095 and 144454104.

It is not an unprimeable number, because it can be changed into a prime (144454181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98280 + ... + 99738.

It is an arithmetic number, because the mean of its divisors is an integer number (7081000).

Almost surely, 2^144454131 is an apocalyptic number.

144454131 is a deficient number, since it is larger than the sum of its proper divisors (82137869).

144454131 is a wasteful number, since it uses less digits than its factorization.

144454131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1674 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 144454131 is about 12018.9072298608. The cubic root of 144454131 is about 524.6987005856.

The spelling of 144454131 in words is "one hundred forty-four million, four hundred fifty-four thousand, one hundred thirty-one".