2045045102 has 4 divisors (see below), whose sum is σ = 3067567656. Its totient is φ = 1022522550.

The previous prime is 2045045089. The next prime is 2045045111. The reversal of 2045045102 is 2015405402.

It is a happy number.

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

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, 511261274 + ... + 511261277.

It is an arithmetic number, because the mean of its divisors is an integer number (766891914).

Almost surely, 2^2045045102 is an apocalyptic number.

2045045102 is a deficient number, since it is larger than the sum of its proper divisors (1022522554).

2045045102 is a wasteful number, since it uses less digits than its factorization.

2045045102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022522553.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2045045102 is about 45222.1748924131. The cubic root of 2045045102 is about 1269.3097913263.

The spelling of 2045045102 in words is "two billion, forty-five million, forty-five thousand, one hundred two".