2045515734 has 32 divisors (see below), whose sum is σ = 4547910240. Its totient is φ = 681490656.

The previous prime is 2045515729. The next prime is 2045515757. The reversal of 2045515734 is 4375155402.

2045515734 is a `hidden beast` number, since 20 + 4 + 551 + 57 + 34 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 110944 + ... + 128060.

It is an arithmetic number, because the mean of its divisors is an integer number (142122195).

Almost surely, 2^2045515734 is an apocalyptic number.

2045515734 is an abundant number, since it is smaller than the sum of its proper divisors (2502394506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045515734 is a wasteful number, since it uses less digits than its factorization.

2045515734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19341 (or 19335 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 2045515734 is about 45227.3781464281. The cubic root of 2045515734 is about 1269.4071538059.

The spelling of 2045515734 in words is "two billion, forty-five million, five hundred fifteen thousand, seven hundred thirty-four".