144240134 has 32 divisors (see below), whose sum is σ = 235651680. Its totient is φ = 65981952.

The previous prime is 144240127. The next prime is 144240137. The reversal of 144240134 is 431042441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240137) 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, 242942 + ... + 243534.

It is an arithmetic number, because the mean of its divisors is an integer number (7364115).

Almost surely, 2^144240134 is an apocalyptic number.

144240134 is a deficient number, since it is larger than the sum of its proper divisors (91411546).

144240134 is a wasteful number, since it uses less digits than its factorization.

144240134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144240134 is about 12010.0014154870. The cubic root of 144240134 is about 524.4394731081.

Adding to 144240134 its reverse (431042441), we get a palindrome (575282575).

The spelling of 144240134 in words is "one hundred forty-four million, two hundred forty thousand, one hundred thirty-four".