152223561 has 12 divisors (see below), whose sum is σ = 251289792. Its totient is φ = 86984856.

The previous prime is 152223541. The next prime is 152223571. The reversal of 152223561 is 165322251.

It is a happy number.

152223561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152223561 - 2⁷ = 152223433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152223541) 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, 1208061 + ... + 1208186.

It is an arithmetic number, because the mean of its divisors is an integer number (20940816).

Almost surely, 2^152223561 is an apocalyptic number.

It is an amenable number.

152223561 is a deficient number, since it is larger than the sum of its proper divisors (99066231).

152223561 is a wasteful number, since it uses less digits than its factorization.

152223561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416260 (or 2416257 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 152223561 is about 12337.8912703914. The cubic root of 152223561 is about 533.9418465478.

The spelling of 152223561 in words is "one hundred fifty-two million, two hundred twenty-three thousand, five hundred sixty-one".