2454521144 has 8 divisors (see below), whose sum is σ = 4602227160. Its totient is φ = 1227260568.

The previous prime is 2454521143. The next prime is 2454521171. The reversal of 2454521144 is 4411254542.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2454521144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454521143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153407564 + ... + 153407579.

It is an arithmetic number, because the mean of its divisors is an integer number (575278395).

Almost surely, 2^2454521144 is an apocalyptic number.

It is an amenable number.

2454521144 is a deficient number, since it is larger than the sum of its proper divisors (2147706016).

2454521144 is a wasteful number, since it uses less digits than its factorization.

2454521144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306815149 (or 306815145 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 2454521144 is about 49543.1240839735. The cubic root of 2454521144 is about 1348.9284856426.

Adding to 2454521144 its reverse (4411254542), we get a palindrome (6865775686).

The spelling of 2454521144 in words is "two billion, four hundred fifty-four million, five hundred twenty-one thousand, one hundred forty-four".