144453355125531 has 4 divisors (see below), whose sum is σ = 192604473500712. Its totient is φ = 96302236750352.

The previous prime is 144453355125473. The next prime is 144453355125539. The reversal of 144453355125531 is 135521553354441.

144453355125531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144453355125531 - 2³¹ = 144451207641883 is a prime.

It is a super-2 number, since 2×144453355125531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144453355125539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24075559187586 + ... + 24075559187591.

It is an arithmetic number, because the mean of its divisors is an integer number (48151118375178).

Almost surely, 2^{144453355125531} is an apocalyptic number.

144453355125531 is a deficient number, since it is larger than the sum of its proper divisors (48151118375181).

144453355125531 is an equidigital number, since it uses as much as digits as its factorization.

144453355125531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48151118375180.

The product of its digits is 10800000, while the sum is 51.

The spelling of 144453355125531 in words is "one hundred forty-four trillion, four hundred fifty-three billion, three hundred fifty-five million, one hundred twenty-five thousand, five hundred thirty-one".