4545623254 has 16 divisors (see below), whose sum is σ = 6952412160. Its totient is φ = 2228391360.

The previous prime is 4545623249. The next prime is 4545623263. The reversal of 4545623254 is 4523265454.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21334 + ... + 97705.

It is an arithmetic number, because the mean of its divisors is an integer number (434525760).

Almost surely, 2^4545623254 is an apocalyptic number.

4545623254 is a deficient number, since it is larger than the sum of its proper divisors (2406788906).

4545623254 is a wasteful number, since it uses less digits than its factorization.

4545623254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119415.

The product of its digits is 576000, while the sum is 40.

The square root of 4545623254 is about 67421.2374107744. The cubic root of 4545623254 is about 1656.5243063052.

The spelling of 4545623254 in words is "four billion, five hundred forty-five million, six hundred twenty-three thousand, two hundred fifty-four".