153123225 has 12 divisors (see below), whose sum is σ = 253163856. Its totient is φ = 81665680.

The previous prime is 153123221. The next prime is 153123239. The reversal of 153123225 is 522321351.

It is a happy number.

It is not a de Polignac number, because 153123225 - 2² = 153123221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153123195 and 153123204.

It is not an unprimeable number, because it can be changed into a prime (153123221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020747 + ... + 1020896.

It is an arithmetic number, because the mean of its divisors is an integer number (21096988).

Almost surely, 2^153123225 is an apocalyptic number.

153123225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153123225 is a deficient number, since it is larger than the sum of its proper divisors (100040631).

153123225 is a wasteful number, since it uses less digits than its factorization.

153123225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041656 (or 2041651 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 153123225 is about 12374.2969497261. The cubic root of 153123225 is about 534.9916730879.

Adding to 153123225 its reverse (522321351), we get a palindrome (675444576).

The spelling of 153123225 in words is "one hundred fifty-three million, one hundred twenty-three thousand, two hundred twenty-five".