228153503 has 2 divisors, whose sum is σ = 228153504. Its totient is φ = 228153502.

The previous prime is 228153493. The next prime is 228153529. The reversal of 228153503 is 305351822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228153503 - 2⁴ = 228153487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228153553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114076751 + 114076752.

It is an arithmetic number, because the mean of its divisors is an integer number (114076752).

Almost surely, 2^228153503 is an apocalyptic number.

228153503 is a deficient number, since it is larger than the sum of its proper divisors (1).

228153503 is an equidigital number, since it uses as much as digits as its factorization.

228153503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 228153503 is about 15104.7510075473. The cubic root of 228153503 is about 611.0485441754.

The spelling of 228153503 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, five hundred three".