144451897346 has 32 divisors (see below), whose sum is σ = 220088860992. Its totient is φ = 71098030080.

The previous prime is 144451897273. The next prime is 144451897349. The reversal of 144451897346 is 643798154441.

144451897346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144451897291 and 144451897300.

It is not an unprimeable number, because it can be changed into a prime (144451897349) 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, 29985530 + ... + 29990346.

It is an arithmetic number, because the mean of its divisors is an integer number (6877776906).

Almost surely, 2^144451897346 is an apocalyptic number.

144451897346 is a deficient number, since it is larger than the sum of its proper divisors (75636963646).

144451897346 is a wasteful number, since it uses less digits than its factorization.

144451897346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its digits is 11612160, while the sum is 56.

The spelling of 144451897346 in words is "one hundred forty-four billion, four hundred fifty-one million, eight hundred ninety-seven thousand, three hundred forty-six".