152461221 has 8 divisors (see below), whose sum is σ = 221761824. Its totient is φ = 92400720.

The previous prime is 152461189. The next prime is 152461229. The reversal of 152461221 is 122164251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152461221 - 2⁵ = 152461189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152461191 and 152461200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152461229) 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, 2309986 + ... + 2310051.

It is an arithmetic number, because the mean of its divisors is an integer number (27720228).

Almost surely, 2^152461221 is an apocalyptic number.

152461221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152461221 is a deficient number, since it is larger than the sum of its proper divisors (69300603).

152461221 is a wasteful number, since it uses less digits than its factorization.

152461221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620051.

The product of its digits is 960, while the sum is 24.

The square root of 152461221 is about 12347.5188195848. The cubic root of 152461221 is about 534.2195754272.

The spelling of 152461221 in words is "one hundred fifty-two million, four hundred sixty-one thousand, two hundred twenty-one".