144002500 has 30 divisors (see below), whose sum is σ = 314910134. Its totient is φ = 57600000.

The previous prime is 144002489. The next prime is 144002527. The reversal of 144002500 is 5200441.

It can be written as a sum of positive squares in 5 ways, for example, as 11614464 + 132388036 = 3408^2 + 11506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26301 + ... + 31300.

Almost surely, 2^144002500 is an apocalyptic number.

144002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144002500 is an abundant number, since it is smaller than the sum of its proper divisors (170907634).

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

144002500 is an equidigital number, since it uses as much as digits as its factorization.

144002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57625 (or 57608 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 144002500 is about 12000.1041662146. The cubic root of 144002500 is about 524.1513120897.

Adding to 144002500 its reverse (5200441), we get a palindrome (149202941).

It can be divided in two parts, 14400 and 2500, that multiplied together give a square (36000000 = 6000²).

The spelling of 144002500 in words is "one hundred forty-four million, two thousand, five hundred".