152223451 has 2 divisors, whose sum is σ = 152223452. Its totient is φ = 152223450.

The previous prime is 152223433. The next prime is 152223509. The reversal of 152223451 is 154322251.

It is a weak prime.

It is an emirp because it is prime and its reverse (154322251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152223451 - 2⁵ = 152223419 is a prime.

It is not a weakly prime, because it can be changed into another prime (152223431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76111725 + 76111726.

It is an arithmetic number, because the mean of its divisors is an integer number (76111726).

Almost surely, 2^152223451 is an apocalyptic number.

152223451 is a deficient number, since it is larger than the sum of its proper divisors (1).

152223451 is an equidigital number, since it uses as much as digits as its factorization.

152223451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 152223451 is about 12337.8868125786. The cubic root of 152223451 is about 533.9417179351.

The spelling of 152223451 in words is "one hundred fifty-two million, two hundred twenty-three thousand, four hundred fifty-one".