152421133443 has 4 divisors (see below), whose sum is σ = 203228177928. Its totient is φ = 101614088960.

The previous prime is 152421133421. The next prime is 152421133451. The reversal of 152421133443 is 344331124251.

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 152421133443 - 2¹³ = 152421125251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152421133453) 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, 25403522238 + ... + 25403522243.

It is an arithmetic number, because the mean of its divisors is an integer number (50807044482).

Almost surely, 2^152421133443 is an apocalyptic number.

152421133443 is a deficient number, since it is larger than the sum of its proper divisors (50807044485).

152421133443 is an equidigital number, since it uses as much as digits as its factorization.

152421133443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50807044484.

The product of its digits is 34560, while the sum is 33.

Adding to 152421133443 its reverse (344331124251), we get a palindrome (496752257694).

The spelling of 152421133443 in words is "one hundred fifty-two billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred forty-three".