755144330 has 8 divisors (see below), whose sum is σ = 1359259812. Its totient is φ = 302057728.

The previous prime is 755144297. The next prime is 755144333. The reversal of 755144330 is 33441557.

It can be written as a sum of positive squares in 2 ways, for example, as 628153969 + 126990361 = 25063^2 + 11269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×755144330² = 1140485918262297800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (755144333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37757207 + ... + 37757226.

Almost surely, 2^755144330 is an apocalyptic number.

755144330 is a deficient number, since it is larger than the sum of its proper divisors (604115482).

755144330 is a wasteful number, since it uses less digits than its factorization.

755144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75514440.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 755144330 is about 27479.8895558188. The cubic root of 755144330 is about 910.6328689444.

Adding to 755144330 its reverse (33441557), we get a palindrome (788585887).

The spelling of 755144330 in words is "seven hundred fifty-five million, one hundred forty-four thousand, three hundred thirty".