144437500 has 42 divisors (see below), whose sum is σ = 316089704. Its totient is φ = 57750000.

The previous prime is 144437483. The next prime is 144437509. The reversal of 144437500 is 5734441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144437509) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 61345 + ... + 63655.

Almost surely, 2^144437500 is an apocalyptic number.

144437500 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 144437500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158044852).

144437500 is an abundant number, since it is smaller than the sum of its proper divisors (171652204).

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

144437500 is an frugal number, since it uses more digits than its factorization.

144437500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 144437500 is about 12018.2153417219. The cubic root of 144437500 is about 524.6785636307.

The spelling of 144437500 in words is "one hundred forty-four million, four hundred thirty-seven thousand, five hundred".