2545115430 has 128 divisors (see below), whose sum is σ = 7199539200. Its totient is φ = 567682560.

The previous prime is 2545115413. The next prime is 2545115431. The reversal of 2545115430 is 345115452.

2545115430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2545115430² = 12955225104048169800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545115431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1642296 + ... + 1643844.

It is an arithmetic number, because the mean of its divisors is an integer number (56246400).

Almost surely, 2^2545115430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545115430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3599769600).

2545115430 is an abundant number, since it is smaller than the sum of its proper divisors (4654423770).

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

2545115430 is a wasteful number, since it uses less digits than its factorization.

2545115430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

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

The square root of 2545115430 is about 50449.1370590221. The cubic root of 2545115430 is about 1365.3243255153.

The spelling of 2545115430 in words is "two billion, five hundred forty-five million, one hundred fifteen thousand, four hundred thirty".