152224139 has 2 divisors, whose sum is σ = 152224140. Its totient is φ = 152224138.

The previous prime is 152224129. The next prime is 152224147. The reversal of 152224139 is 931422251.

It is a strong prime.

It is an emirp because it is prime and its reverse (931422251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152224139 - 2²⁴ = 135446923 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152224129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76112069 + 76112070.

It is an arithmetic number, because the mean of its divisors is an integer number (76112070).

Almost surely, 2^152224139 is an apocalyptic number.

152224139 is a deficient number, since it is larger than the sum of its proper divisors (1).

152224139 is an equidigital number, since it uses as much as digits as its factorization.

152224139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 152224139 is about 12337.9146941450. The cubic root of 152224139 is about 533.9425223476.

The spelling of 152224139 in words is "one hundred fifty-two million, two hundred twenty-four thousand, one hundred thirty-nine".