152641231 has 4 divisors (see below), whose sum is σ = 160675000. Its totient is φ = 144607464.

The previous prime is 152641217. The next prime is 152641259. The reversal of 152641231 is 132146251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152641231 - 2⁷ = 152641103 is a prime.

It is a super-2 number, since 2×152641231² = 46598690802390722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152641196 and 152641205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152641261) 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, 4016856 + ... + 4016893.

It is an arithmetic number, because the mean of its divisors is an integer number (40168750).

Almost surely, 2^152641231 is an apocalyptic number.

152641231 is a deficient number, since it is larger than the sum of its proper divisors (8033769).

152641231 is an equidigital number, since it uses as much as digits as its factorization.

152641231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033768.

The product of its digits is 1440, while the sum is 25.

The square root of 152641231 is about 12354.8059879546. The cubic root of 152641231 is about 534.4297426266.

Adding to 152641231 its reverse (132146251), we get a palindrome (284787482).

The spelling of 152641231 in words is "one hundred fifty-two million, six hundred forty-one thousand, two hundred thirty-one".