2045223154 has 16 divisors (see below), whose sum is σ = 3309884928. Its totient is φ = 942216912.

The previous prime is 2045223151. The next prime is 2045223157. The reversal of 2045223154 is 4513225402.

It is an interprime number because it is at equal distance from previous prime (2045223151) and next prime (2045223157).

It is not an unprimeable number, because it can be changed into a prime (2045223151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57682 + ... + 86125.

It is an arithmetic number, because the mean of its divisors is an integer number (206867808).

Almost surely, 2^2045223154 is an apocalyptic number.

2045223154 is a deficient number, since it is larger than the sum of its proper divisors (1264661774).

2045223154 is a wasteful number, since it uses less digits than its factorization.

2045223154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144369.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2045223154 is about 45224.1434855321. The cubic root of 2045223154 is about 1269.3466277736.

Adding to 2045223154 its reverse (4513225402), we get a palindrome (6558448556).

The spelling of 2045223154 in words is "two billion, forty-five million, two hundred twenty-three thousand, one hundred fifty-four".