2145541034 has 32 divisors (see below), whose sum is σ = 3968057856. Its totient is φ = 847272960.

The previous prime is 2145541019. The next prime is 2145541043. The reversal of 2145541034 is 4301455412.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2145540988 and 2145541006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94799 + ... + 115229.

It is an arithmetic number, because the mean of its divisors is an integer number (124001808).

Almost surely, 2^2145541034 is an apocalyptic number.

2145541034 is a deficient number, since it is larger than the sum of its proper divisors (1822516822).

2145541034 is a wasteful number, since it uses less digits than its factorization.

2145541034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2145541034 is about 46319.9852547472. The cubic root of 2145541034 is about 1289.7700116800.

Adding to 2145541034 its reverse (4301455412), we get a palindrome (6446996446).

The spelling of 2145541034 in words is "two billion, one hundred forty-five million, five hundred forty-one thousand, thirty-four".