1000144624 has 20 divisors (see below), whose sum is σ = 1965075120. Its totient is φ = 493028480.

The previous prime is 1000144597. The next prime is 1000144633. The reversal of 1000144624 is 4264410001.

It is a super-2 number, since 2×1000144624² = 2000578537832202752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000144595 and 1000144604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439069 + ... + 441340.

It is an arithmetic number, because the mean of its divisors is an integer number (98253756).

Almost surely, 2^1000144624 is an apocalyptic number.

It is an amenable number.

1000144624 is a deficient number, since it is larger than the sum of its proper divisors (964930496).

1000144624 is an equidigital number, since it uses as much as digits as its factorization.

1000144624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880488 (or 880482 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1000144624 is about 31625.0632252332. The cubic root of 1000144624 is about 1000.0482056762.

Adding to 1000144624 its reverse (4264410001), we get a palindrome (5264554625).

The spelling of 1000144624 in words is "one billion, one hundred forty-four thousand, six hundred twenty-four".