144452534 has 4 divisors (see below), whose sum is σ = 216678804. Its totient is φ = 72226266.

The previous prime is 144452501. The next prime is 144452549. The reversal of 144452534 is 435254441.

144452534 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, and also an emirpimes, since its reverse is a distinct semiprime: 435254441 = 859 ⋅506699.

It is a self number, because there is not a number n which added to its sum of digits gives 144452534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36113132 + ... + 36113135.

It is an arithmetic number, because the mean of its divisors is an integer number (54169701).

Almost surely, 2^144452534 is an apocalyptic number.

144452534 is a deficient number, since it is larger than the sum of its proper divisors (72226270).

144452534 is an equidigital number, since it uses as much as digits as its factorization.

144452534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72226269.

The product of its digits is 38400, while the sum is 32.

The square root of 144452534 is about 12018.8407926888. The cubic root of 144452534 is about 524.6967669917.

The spelling of 144452534 in words is "one hundred forty-four million, four hundred fifty-two thousand, five hundred thirty-four".