144452500 has 30 divisors (see below), whose sum is σ = 315894194. Its totient is φ = 57780000.

The previous prime is 144452449. The next prime is 144452501. The reversal of 144452500 is 5254441.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 34999056 + 109453444 = 5916^2 + 10462^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144452501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26391 + ... + 31390.

Almost surely, 2^144452500 is an apocalyptic number.

144452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144452500 is an abundant number, since it is smaller than the sum of its proper divisors (171441694).

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

144452500 is an equidigital number, since it uses as much as digits as its factorization.

144452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57805 (or 57788 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 144452500 is about 12018.8393782428. The cubic root of 144452500 is about 524.6967258254.

The spelling of 144452500 in words is "one hundred forty-four million, four hundred fifty-two thousand, five hundred".