2023541545 has 4 divisors (see below), whose sum is σ = 2428249860. Its totient is φ = 1618833232.

The previous prime is 2023541543. The next prime is 2023541549. The reversal of 2023541545 is 5451453202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1138657536 + 884884009 = 33744^2 + 29747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023541545 - 2¹ = 2023541543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2023541543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202354150 + ... + 202354159.

It is an arithmetic number, because the mean of its divisors is an integer number (607062465).

Almost surely, 2^2023541545 is an apocalyptic number.

It is an amenable number.

2023541545 is a deficient number, since it is larger than the sum of its proper divisors (404708315).

2023541545 is an equidigital number, since it uses as much as digits as its factorization.

2023541545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404708314.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2023541545 is about 44983.7920255729. The cubic root of 2023541545 is about 1264.8451944898.

Adding to 2023541545 its reverse (5451453202), we get a palindrome (7474994747).

The spelling of 2023541545 in words is "two billion, twenty-three million, five hundred forty-one thousand, five hundred forty-five".