1000144330 has 8 divisors (see below), whose sum is σ = 1800259812. Its totient is φ = 400057728.

The previous prime is 1000144297. The next prime is 1000144331. The reversal of 1000144330 is 334410001.

It can be written as a sum of positive squares in 2 ways, for example, as 995970481 + 4173849 = 31559^2 + 2043^2 .

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

It is a super-2 number, since 2×1000144330² = 2000577361662297800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000144331) 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, 50007207 + ... + 50007226.

Almost surely, 2^1000144330 is an apocalyptic number.

1000144330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000144330 is a deficient number, since it is larger than the sum of its proper divisors (800115482).

1000144330 is a wasteful number, since it uses less digits than its factorization.

1000144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100014440.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1000144330 is about 31625.0585770208. The cubic root of 1000144330 is about 1000.0481076856.

Adding to 1000144330 its reverse (334410001), we get a palindrome (1334554331).

The spelling of 1000144330 in words is "one billion, one hundred forty-four thousand, three hundred thirty".