2003140154 has 8 divisors (see below), whose sum is σ = 3013223220. Its totient is φ = 998732416.

The previous prime is 2003140147. The next prime is 2003140163. The reversal of 2003140154 is 4510413002.

It can be written as a sum of positive squares in 2 ways, for example, as 1890249529 + 112890625 = 43477^2 + 10625^2 .

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

It is a Curzon 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, 1417949 + ... + 1419360.

Almost surely, 2^2003140154 is an apocalyptic number.

2003140154 is a deficient number, since it is larger than the sum of its proper divisors (1010083066).

2003140154 is a wasteful number, since it uses less digits than its factorization.

2003140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837664.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2003140154 is about 44756.4537692610. The cubic root of 2003140154 is about 1260.5800961181.

Adding to 2003140154 its reverse (4510413002), we get a palindrome (6513553156).

The spelling of 2003140154 in words is "two billion, three million, one hundred forty thousand, one hundred fifty-four".