2145520430 has 8 divisors (see below), whose sum is σ = 3861936792. Its totient is φ = 858208168.

The previous prime is 2145520393. The next prime is 2145520441. The reversal of 2145520430 is 340255412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2145520430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107276012 + ... + 107276031.

It is an arithmetic number, because the mean of its divisors is an integer number (482742099).

Almost surely, 2^2145520430 is an apocalyptic number.

2145520430 is a deficient number, since it is larger than the sum of its proper divisors (1716416362).

2145520430 is a wasteful number, since it uses less digits than its factorization.

2145520430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214552050.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2145520430 is about 46319.7628448160. The cubic root of 2145520430 is about 1289.7658830389.

Adding to 2145520430 its reverse (340255412), we get a palindrome (2485775842).

The spelling of 2145520430 in words is "two billion, one hundred forty-five million, five hundred twenty thousand, four hundred thirty".