144454532 has 6 divisors (see below), whose sum is σ = 252795438. Its totient is φ = 72227264.

The previous prime is 144454529. The next prime is 144454553. The reversal of 144454532 is 235454441.

It can be written as a sum of positive squares in only one way, i.e., 144336196 + 118336 = 12014^2 + 344^2 .

It is a super-2 number, since 2×144454532² = 41734223630678048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18056813 + ... + 18056820.

It is an arithmetic number, because the mean of its divisors is an integer number (42132573).

Almost surely, 2^144454532 is an apocalyptic number.

It is an amenable number.

144454532 is a deficient number, since it is larger than the sum of its proper divisors (108340906).

144454532 is a wasteful number, since it uses less digits than its factorization.

144454532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36113637 (or 36113635 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 144454532 is about 12018.9239118983. The cubic root of 144454532 is about 524.6991861007.

Subtracting 144454532 from its reverse (235454441), we obtain a palindrome (90999909).

The spelling of 144454532 in words is "one hundred forty-four million, four hundred fifty-four thousand, five hundred thirty-two".