144635500 has 48 divisors (see below), whose sum is σ = 329644224. Its totient is φ = 55334400.

The previous prime is 144635489. The next prime is 144635503. The reversal of 144635500 is 5536441.

It is not an unprimeable number, because it can be changed into a prime (144635503) 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, 5212 + ... + 17788.

It is an arithmetic number, because the mean of its divisors is an integer number (6867588).

Almost surely, 2^144635500 is an apocalyptic number.

144635500 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 144635500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164822112).

144635500 is an abundant number, since it is smaller than the sum of its proper divisors (185008724).

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

144635500 is a wasteful number, since it uses less digits than its factorization.

144635500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12619 (or 12607 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 144635500 is about 12026.4500165261. The cubic root of 144635500 is about 524.9182034319.

The spelling of 144635500 in words is "one hundred forty-four million, six hundred thirty-five thousand, five hundred".