144042500 has 60 divisors (see below), whose sum is σ = 360034752. Its totient is φ = 49380000.

The previous prime is 144042497. The next prime is 144042527. The reversal of 144042500 is 5240441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13385 + ... + 21615.

Almost surely, 2^144042500 is an apocalyptic number.

144042500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180017376).

144042500 is an abundant number, since it is smaller than the sum of its proper divisors (215992252).

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

144042500 is an equidigital number, since it uses as much as digits as its factorization.

144042500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 144042500 is about 12001.7707026922. The cubic root of 144042500 is about 524.1998392832.

Adding to 144042500 its reverse (5240441), we get a palindrome (149282941).

The spelling of 144042500 in words is "one hundred forty-four million, forty-two thousand, five hundred".