144706234 has 4 divisors (see below), whose sum is σ = 217059354. Its totient is φ = 72353116.

The previous prime is 144706231. The next prime is 144706241. The reversal of 144706234 is 432607441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80946009 + 63760225 = 8997^2 + 7985^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 144706196 and 144706205.

It is not an unprimeable number, because it can be changed into a prime (144706231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36176557 + ... + 36176560.

Almost surely, 2^144706234 is an apocalyptic number.

144706234 is a deficient number, since it is larger than the sum of its proper divisors (72353120).

144706234 is an equidigital number, since it uses as much as digits as its factorization.

144706234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72353119.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 144706234 is about 12029.3904251213. The cubic root of 144706234 is about 525.0037599126.

The spelling of 144706234 in words is "one hundred forty-four million, seven hundred six thousand, two hundred thirty-four".