152104221 has 12 divisors (see below), whose sum is σ = 229258848. Its totient is φ = 96993864.

The previous prime is 152104213. The next prime is 152104229. The reversal of 152104221 is 122401251.

It is an interprime number because it is at equal distance from previous prime (152104213) and next prime (152104229).

It is not a de Polignac number, because 152104221 - 2³ = 152104213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152104194 and 152104203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152104229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367195 + ... + 367608.

It is an arithmetic number, because the mean of its divisors is an integer number (19104904).

Almost surely, 2^152104221 is an apocalyptic number.

It is an amenable number.

152104221 is a deficient number, since it is larger than the sum of its proper divisors (77154627).

152104221 is a wasteful number, since it uses less digits than its factorization.

152104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734832 (or 734829 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 152104221 is about 12333.0540013413. The cubic root of 152104221 is about 533.8022770911.

Adding to 152104221 its reverse (122401251), we get a palindrome (274505472).

The spelling of 152104221 in words is "one hundred fifty-two million, one hundred four thousand, two hundred twenty-one".