223154445 has 16 divisors (see below), whose sum is σ = 357649920. Its totient is φ = 118814784.

The previous prime is 223154423. The next prime is 223154447. The reversal of 223154445 is 544451322.

It is not a de Polignac number, because 223154445 - 2⁹ = 223153933 is a prime.

It is a super-3 number, since 3×223154445³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223154447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3150 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (22353120).

Almost surely, 2^223154445 is an apocalyptic number.

It is an amenable number.

223154445 is a deficient number, since it is larger than the sum of its proper divisors (134495475).

223154445 is a wasteful number, since it uses less digits than its factorization.

223154445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25124.

The product of its digits is 19200, while the sum is 30.

The square root of 223154445 is about 14938.3548290968. The cubic root of 223154445 is about 606.5526632713.

The spelling of 223154445 in words is "two hundred twenty-three million, one hundred fifty-four thousand, four hundred forty-five".