225156645454 has 24 divisors (see below), whose sum is σ = 373810443048. Its totient is φ = 101109828960.

The previous prime is 225156645437. The next prime is 225156645499. The reversal of 225156645454 is 454546651522.

It is a super-2 number, since 2×225156645454² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225156645398 and 225156645407.

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 11 ways as a sum of consecutive naturals, for example, 3127252 + ... + 3198439.

It is an arithmetic number, because the mean of its divisors is an integer number (15575435127).

Almost surely, 2^225156645454 is an apocalyptic number.

225156645454 is a deficient number, since it is larger than the sum of its proper divisors (148653797594).

225156645454 is a wasteful number, since it uses less digits than its factorization.

225156645454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325780 (or 6325743 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 49.

The spelling of 225156645454 in words is "two hundred twenty-five billion, one hundred fifty-six million, six hundred forty-five thousand, four hundred fifty-four".