144555534 has 48 divisors (see below), whose sum is σ = 331793280. Its totient is φ = 45357840.

The previous prime is 144555493. The next prime is 144555547. The reversal of 144555534 is 435555441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55849 + ... + 58379.

It is an arithmetic number, because the mean of its divisors is an integer number (6912360).

Almost surely, 2^144555534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144555534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165896640).

144555534 is an abundant number, since it is smaller than the sum of its proper divisors (187237746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144555534 is a wasteful number, since it uses less digits than its factorization.

144555534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2722 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 144555534 is about 12023.1249681603. The cubic root of 144555534 is about 524.8214467637.

The spelling of 144555534 in words is "one hundred forty-four million, five hundred fifty-five thousand, five hundred thirty-four".