144452453103 has 144 divisors (see below), whose sum is σ = 254081857536. Its totient is φ = 78794069760.

The previous prime is 144452453027. The next prime is 144452453137. The reversal of 144452453103 is 301354254441.

144452453103 is a `hidden beast` number, since 14 + 44 + 52 + 453 + 103 = 666.

It is not a de Polignac number, because 144452453103 - 2¹² = 144452449007 is a prime.

It is a super-2 number, since 2×144452453103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144452453203) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 151576075 + ... + 151577027.

It is an arithmetic number, because the mean of its divisors is an integer number (1764457344).

Almost surely, 2^144452453103 is an apocalyptic number.

144452453103 is a deficient number, since it is larger than the sum of its proper divisors (109629404433).

144452453103 is a wasteful number, since it uses less digits than its factorization.

144452453103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 144452453103 in words is "one hundred forty-four billion, four hundred fifty-two million, four hundred fifty-three thousand, one hundred three".