152221103 has 8 divisors (see below), whose sum is σ = 160571520. Its totient is φ = 143904600.

The previous prime is 152221093. The next prime is 152221117. The reversal of 152221103 is 301122251.

It is a happy number.

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 152221103 - 2⁸ = 152220847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152221163) 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, 1028 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (20071440).

Almost surely, 2^152221103 is an apocalyptic number.

152221103 is a deficient number, since it is larger than the sum of its proper divisors (8350417).

152221103 is a wasteful number, since it uses less digits than its factorization.

152221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 152221103 is about 12337.7916581534. The cubic root of 152221103 is about 533.9389726253.

Adding to 152221103 its reverse (301122251), we get a palindrome (453343354).

The spelling of 152221103 in words is "one hundred fifty-two million, two hundred twenty-one thousand, one hundred three".