1003145252 has 12 divisors (see below), whose sum is σ = 1792855680. Its totient is φ = 490900776.

The previous prime is 1003145243. The next prime is 1003145279. The reversal of 1003145252 is 2525413001.

It is a super-2 number, since 2×1003145252² = 2012600793220287008, which contains 22 as substring.

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, 2667752 + ... + 2668127.

It is an arithmetic number, because the mean of its divisors is an integer number (149404640).

Almost surely, 2^1003145252 is an apocalyptic number.

It is an amenable number.

1003145252 is a deficient number, since it is larger than the sum of its proper divisors (789710428).

1003145252 is a wasteful number, since it uses less digits than its factorization.

1003145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335930 (or 5335928 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1003145252 is about 31672.4683597600. The cubic root of 1003145252 is about 1001.0473200711.

Adding to 1003145252 its reverse (2525413001), we get a palindrome (3528558253).

The spelling of 1003145252 in words is "one billion, three million, one hundred forty-five thousand, two hundred fifty-two".