144102452 has 48 divisors (see below), whose sum is σ = 287546112. Its totient is φ = 62684160.

The previous prime is 144102451. The next prime is 144102473. The reversal of 144102452 is 254201441.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144102451) 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, 84068 + ... + 85764.

It is an arithmetic number, because the mean of its divisors is an integer number (5990544).

Almost surely, 2^144102452 is an apocalyptic number.

It is an amenable number.

144102452 is a deficient number, since it is larger than the sum of its proper divisors (143443660).

144102452 is a wasteful number, since it uses less digits than its factorization.

144102452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 144102452 is about 12004.2680743142. The cubic root of 144102452 is about 524.2725550203.

Adding to 144102452 its reverse (254201441), we get a palindrome (398303893).

The spelling of 144102452 in words is "one hundred forty-four million, one hundred two thousand, four hundred fifty-two".