2045143502 has 4 divisors (see below), whose sum is σ = 3067715256. Its totient is φ = 1022571750.

The previous prime is 2045143459. The next prime is 2045143517. The reversal of 2045143502 is 2053415402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2045143502² = 8365223887545648008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511285874 + ... + 511285877.

It is an arithmetic number, because the mean of its divisors is an integer number (766928814).

Almost surely, 2^2045143502 is an apocalyptic number.

2045143502 is a deficient number, since it is larger than the sum of its proper divisors (1022571754).

2045143502 is a wasteful number, since it uses less digits than its factorization.

2045143502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022571753.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2045143502 is about 45223.2628411529. The cubic root of 2045143502 is about 1269.3301491626.

Adding to 2045143502 its reverse (2053415402), we get a palindrome (4098558904).

The spelling of 2045143502 in words is "two billion, forty-five million, one hundred forty-three thousand, five hundred two".