223545151 has 4 divisors (see below), whose sum is σ = 223592904. Its totient is φ = 223497400.

The previous prime is 223545131. The next prime is 223545167. The reversal of 223545151 is 151545322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151545322 = 2 ⋅75772661.

It is a cyclic number.

It is not a de Polignac number, because 223545151 - 2²¹ = 221447999 is a prime.

It is a super-2 number, since 2×223545151² = 99944869071225602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223545131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15985 + ... + 26506.

It is an arithmetic number, because the mean of its divisors is an integer number (55898226).

Almost surely, 2^223545151 is an apocalyptic number.

223545151 is a deficient number, since it is larger than the sum of its proper divisors (47753).

223545151 is an equidigital number, since it uses as much as digits as its factorization.

223545151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47752.

The product of its digits is 6000, while the sum is 28.

The square root of 223545151 is about 14951.4263868034. The cubic root of 223545151 is about 606.9064475349.

The spelling of 223545151 in words is "two hundred twenty-three million, five hundred forty-five thousand, one hundred fifty-one".