2015451430 has 16 divisors (see below), whose sum is σ = 3633483744. Its totient is φ = 804920320.

The previous prime is 2015451419. The next prime is 2015451433. The reversal of 2015451430 is 341545102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2015451395 and 2015451404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015451433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150802 + ... + 163621.

It is an arithmetic number, because the mean of its divisors is an integer number (227092734).

Almost surely, 2^2015451430 is an apocalyptic number.

2015451430 is a deficient number, since it is larger than the sum of its proper divisors (1618032314).

2015451430 is a wasteful number, since it uses less digits than its factorization.

2015451430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315071.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2015451430 is about 44893.7794131882. The cubic root of 2015451430 is about 1263.1573269481.

Adding to 2015451430 its reverse (341545102), we get a palindrome (2356996532).

The spelling of 2015451430 in words is "two billion, fifteen million, four hundred fifty-one thousand, four hundred thirty".