618225154 has 8 divisors (see below), whose sum is σ = 976145040. Its totient is φ = 292843476.

The previous prime is 618225151. The next prime is 618225163. The reversal of 618225154 is 451522816.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (618225151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8134504 + ... + 8134579.

It is an arithmetic number, because the mean of its divisors is an integer number (122018130).

Almost surely, 2^618225154 is an apocalyptic number.

618225154 is a deficient number, since it is larger than the sum of its proper divisors (357919886).

618225154 is a wasteful number, since it uses less digits than its factorization.

618225154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16269104.

The product of its digits is 19200, while the sum is 34.

The square root of 618225154 is about 24864.1338879922. The cubic root of 618225154 is about 851.8874569398.

The spelling of 618225154 in words is "six hundred eighteen million, two hundred twenty-five thousand, one hundred fifty-four".