1003640145 has 16 divisors (see below), whose sum is σ = 1610305920. Its totient is φ = 533780864.

The previous prime is 1003640119. The next prime is 1003640153. The reversal of 1003640145 is 5410463001.

It is a cyclic number.

It is not a de Polignac number, because 1003640145 - 2⁷ = 1003640017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87804 + ... + 98573.

It is an arithmetic number, because the mean of its divisors is an integer number (100644120).

Almost surely, 2^1003640145 is an apocalyptic number.

1003640145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1003640145 is a deficient number, since it is larger than the sum of its proper divisors (606665775).

1003640145 is a wasteful number, since it uses less digits than its factorization.

1003640145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186744.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1003640145 is about 31680.2800650499. The cubic root of 1003640145 is about 1001.2119123418.

The spelling of 1003640145 in words is "one billion, three million, six hundred forty thousand, one hundred forty-five".