144384552 has 64 divisors (see below), whose sum is σ = 431928000. Its totient is φ = 44425152.

The previous prime is 144384551. The next prime is 144384563. The reversal of 144384552 is 255483441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144384551) 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, 22902 + ... + 28517.

It is an arithmetic number, because the mean of its divisors is an integer number (6748875).

Almost surely, 2^144384552 is an apocalyptic number.

144384552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144384552 is an abundant number, since it is smaller than the sum of its proper divisors (287543448).

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

144384552 is a wasteful number, since it uses less digits than its factorization.

144384552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51447 (or 51437 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 144384552 is about 12016.0123169045. The cubic root of 144384552 is about 524.6144434497.

The spelling of 144384552 in words is "one hundred forty-four million, three hundred eighty-four thousand, five hundred fifty-two".