144432553 has 2 divisors, whose sum is σ = 144432554. Its totient is φ = 144432552.

The previous prime is 144432539. The next prime is 144432569. The reversal of 144432553 is 355234441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 7823209 = 11688^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 144432553 - 2²⁵ = 110878121 is a prime.

It is not a weakly prime, because it can be changed into another prime (144432523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72216276 + 72216277.

It is an arithmetic number, because the mean of its divisors is an integer number (72216277).

Almost surely, 2^144432553 is an apocalyptic number.

It is an amenable number.

144432553 is a deficient number, since it is larger than the sum of its proper divisors (1).

144432553 is an equidigital number, since it uses as much as digits as its factorization.

144432553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 144432553 is about 12018.0095273718. The cubic root of 144432553 is about 524.6725734631.

Adding to 144432553 its reverse (355234441), we get a palindrome (499666994).

The spelling of 144432553 in words is "one hundred forty-four million, four hundred thirty-two thousand, five hundred fifty-three".