2145145502 has 16 divisors (see below), whose sum is σ = 3402532224. Its totient is φ = 1012656000.

The previous prime is 2145145477. The next prime is 2145145511. The reversal of 2145145502 is 2055415412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419399 + ... + 424482.

It is an arithmetic number, because the mean of its divisors is an integer number (212658264).

Almost surely, 2^2145145502 is an apocalyptic number.

2145145502 is a deficient number, since it is larger than the sum of its proper divisors (1257386722).

2145145502 is a wasteful number, since it uses less digits than its factorization.

2145145502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843955.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2145145502 is about 46315.7154970103. The cubic root of 2145145502 is about 1289.6907501393.

The spelling of 2145145502 in words is "two billion, one hundred forty-five million, one hundred forty-five thousand, five hundred two".