2045513154 has 16 divisors (see below), whose sum is σ = 4091879520. Its totient is φ = 681695520.

The previous prime is 2045513147. The next prime is 2045513159. The reversal of 2045513154 is 4513155402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2045513159) 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, 1939 + ... + 63990.

It is an arithmetic number, because the mean of its divisors is an integer number (255742470).

Almost surely, 2^2045513154 is an apocalyptic number.

2045513154 is an abundant number, since it is smaller than the sum of its proper divisors (2046366366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045513154 is a wasteful number, since it uses less digits than its factorization.

2045513154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71105.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2045513154 is about 45227.3496238725. The cubic root of 2045513154 is about 1269.4066201064.

Adding to 2045513154 its reverse (4513155402), we get a palindrome (6558668556).

The spelling of 2045513154 in words is "two billion, forty-five million, five hundred thirteen thousand, one hundred fifty-four".