144434134 has 16 divisors (see below), whose sum is σ = 233876160. Its totient is φ = 66502080.

The previous prime is 144434131. The next prime is 144434189. The reversal of 144434134 is 431434441.

It is a happy number.

It is a super-2 number, since 2×144434134² = 41722438128659912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144434131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (14617260).

Almost surely, 2^144434134 is an apocalyptic number.

144434134 is a deficient number, since it is larger than the sum of its proper divisors (89442026).

144434134 is a wasteful number, since it uses less digits than its factorization.

144434134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13335.

The product of its digits is 9216, while the sum is 28.

The square root of 144434134 is about 12018.0753034752. The cubic root of 144434134 is about 524.6744878614.

Adding to 144434134 its reverse (431434441), we get a palindrome (575868575).

The spelling of 144434134 in words is "one hundred forty-four million, four hundred thirty-four thousand, one hundred thirty-four".