2145531414 has 32 divisors (see below), whose sum is σ = 4864366080. Its totient is φ = 625417632.

The previous prime is 2145531407. The next prime is 2145531431. The reversal of 2145531414 is 4141355412.

It is a congruent number.

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, 722382 + ... + 725345.

It is an arithmetic number, because the mean of its divisors is an integer number (152011440).

Almost surely, 2^2145531414 is an apocalyptic number.

2145531414 is an abundant number, since it is smaller than the sum of its proper divisors (2718834666).

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

2145531414 is a wasteful number, since it uses less digits than its factorization.

2145531414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447764.

The product of its digits is 9600, while the sum is 30.

The square root of 2145531414 is about 46319.8814117653. The cubic root of 2145531414 is about 1289.7680840223.

Adding to 2145531414 its reverse (4141355412), we get a palindrome (6286886826).

The spelling of 2145531414 in words is "two billion, one hundred forty-five million, five hundred thirty-one thousand, four hundred fourteen".