2254721545 has 8 divisors (see below), whose sum is σ = 2848069440. Its totient is φ = 1708841520.

The previous prime is 2254721527. The next prime is 2254721549. The reversal of 2254721545 is 5451274522.

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

It is not a de Polignac number, because 2254721545 - 2¹³ = 2254713353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2254721549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11866861 + ... + 11867050.

It is an arithmetic number, because the mean of its divisors is an integer number (356008680).

Almost surely, 2^2254721545 is an apocalyptic number.

It is an amenable number.

2254721545 is a deficient number, since it is larger than the sum of its proper divisors (593347895).

2254721545 is a wasteful number, since it uses less digits than its factorization.

2254721545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733935.

The product of its digits is 112000, while the sum is 37.

The square root of 2254721545 is about 47483.9082742775. The cubic root of 2254721545 is about 1311.2866454802.

The spelling of 2254721545 in words is "two billion, two hundred fifty-four million, seven hundred twenty-one thousand, five hundred forty-five".