2045256153 has 16 divisors (see below), whose sum is σ = 2742219840. Its totient is φ = 1355913216.

The previous prime is 2045256139. The next prime is 2045256287. The reversal of 2045256153 is 3516525402.

It is not a de Polignac number, because 2045256153 - 2¹⁷ = 2045125081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045256953) 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, 1013001 + ... + 1015017.

It is an arithmetic number, because the mean of its divisors is an integer number (171388740).

Almost surely, 2^2045256153 is an apocalyptic number.

It is an amenable number.

2045256153 is a deficient number, since it is larger than the sum of its proper divisors (696963687).

2045256153 is a wasteful number, since it uses less digits than its factorization.

2045256153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2045256153 is about 45224.5083223687. The cubic root of 2045256153 is about 1269.3534545664.

The spelling of 2045256153 in words is "two billion, forty-five million, two hundred fifty-six thousand, one hundred fifty-three".