2003451142 has 48 divisors (see below), whose sum is σ = 3906720720. Its totient is φ = 761510400.

The previous prime is 2003451137. The next prime is 2003451157. The reversal of 2003451142 is 2411543002.

It is a super-2 number, since 2×2003451142² = 8027632956762208328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21534 + ... + 66862.

It is an arithmetic number, because the mean of its divisors is an integer number (81390015).

Almost surely, 2^2003451142 is an apocalyptic number.

2003451142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003451142 is a deficient number, since it is larger than the sum of its proper divisors (1903269578).

2003451142 is a wasteful number, since it uses less digits than its factorization.

2003451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45397 (or 45390 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2003451142 is about 44759.9278596380. The cubic root of 2003451142 is about 1260.6453278655.

Adding to 2003451142 its reverse (2411543002), we get a palindrome (4414994144).

The spelling of 2003451142 in words is "two billion, three million, four hundred fifty-one thousand, one hundred forty-two".