2045145349 has 16 divisors (see below), whose sum is σ = 2300199552. Its totient is φ = 1804195008.

The previous prime is 2045145343. The next prime is 2045145371. The reversal of 2045145349 is 9435415402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2045145349 - 2³ = 2045145341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045145341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475362 + ... + 479644.

It is an arithmetic number, because the mean of its divisors is an integer number (143762472).

Almost surely, 2^2045145349 is an apocalyptic number.

It is an amenable number.

2045145349 is a deficient number, since it is larger than the sum of its proper divisors (255054203).

2045145349 is a wasteful number, since it uses less digits than its factorization.

2045145349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2045145349 is about 45223.2832620543. The cubic root of 2045145349 is about 1269.3305312796.

The spelling of 2045145349 in words is "two billion, forty-five million, one hundred forty-five thousand, three hundred forty-nine".