144988452 has 54 divisors (see below), whose sum is σ = 426340278. Its totient is φ = 41424768.

The previous prime is 144988451. The next prime is 144988453. The reversal of 144988452 is 254889441.

It is an interprime number because it is at equal distance from previous prime (144988451) and next prime (144988453).

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 65707236 = 8904^2 + 8106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144988398 and 144988407.

It is not an unprimeable number, because it can be changed into a prime (144988451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39333 + ... + 42860.

Almost surely, 2^144988452 is an apocalyptic number.

144988452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144988452 is an abundant number, since it is smaller than the sum of its proper divisors (281351826).

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

144988452 is a wasteful number, since it uses less digits than its factorization.

144988452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82217 (or 82205 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 144988452 is about 12041.1150646441. The cubic root of 144988452 is about 525.3448401129.

The spelling of 144988452 in words is "one hundred forty-four million, nine hundred eighty-eight thousand, four hundred fifty-two".