2045340351 has 24 divisors (see below), whose sum is σ = 3081163904. Its totient is φ = 1305953280.

The previous prime is 2045340347. The next prime is 2045340361. The reversal of 2045340351 is 1530435402.

2045340351 is a `hidden beast` number, since 204 + 5 + 3 + 403 + 51 = 666.

It is not a de Polignac number, because 2045340351 - 2² = 2045340347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045340361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10726 + ... + 64851.

Almost surely, 2^2045340351 is an apocalyptic number.

2045340351 is a deficient number, since it is larger than the sum of its proper divisors (1035823553).

2045340351 is a wasteful number, since it uses less digits than its factorization.

2045340351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75711 (or 75708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2045340351 is about 45225.4392018474. The cubic root of 2045340351 is about 1269.3708730130.

Adding to 2045340351 its reverse (1530435402), we get a palindrome (3575775753).

The spelling of 2045340351 in words is "two billion, forty-five million, three hundred forty thousand, three hundred fifty-one".