144884746 has 4 divisors (see below), whose sum is σ = 217327122. Its totient is φ = 72442372.

The previous prime is 144884743. The next prime is 144884807. The reversal of 144884746 is 647488441.

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., 111070521 + 33814225 = 10539^2 + 5815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144884696 and 144884705.

It is not an unprimeable number, because it can be changed into a prime (144884743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36221185 + ... + 36221188.

Almost surely, 2^144884746 is an apocalyptic number.

144884746 is a deficient number, since it is larger than the sum of its proper divisors (72442376).

144884746 is an equidigital number, since it uses as much as digits as its factorization.

144884746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72442375.

The product of its digits is 688128, while the sum is 46.

The square root of 144884746 is about 12036.8079655696. The cubic root of 144884746 is about 525.2195556366.

The spelling of 144884746 in words is "one hundred forty-four million, eight hundred eighty-four thousand, seven hundred forty-six".