225148403 has 8 divisors (see below), whose sum is σ = 236655648. Its totient is φ = 213784384.

The previous prime is 225148397. The next prime is 225148409. The reversal of 225148403 is 304841522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225148397) and next prime (225148409).

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

It is a cyclic number.

It is not a de Polignac number, because 225148403 - 2¹² = 225144307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225148409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32576 + ... + 38877.

It is an arithmetic number, because the mean of its divisors is an integer number (29581956).

Almost surely, 2^225148403 is an apocalyptic number.

225148403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225148403 is a deficient number, since it is larger than the sum of its proper divisors (11507245).

225148403 is a wasteful number, since it uses less digits than its factorization.

225148403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71613.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 225148403 is about 15004.9459512522. The cubic root of 225148403 is about 608.3538912091.

Adding to 225148403 its reverse (304841522), we get a palindrome (529989925).

The spelling of 225148403 in words is "two hundred twenty-five million, one hundred forty-eight thousand, four hundred three".