152242555 has 4 divisors (see below), whose sum is σ = 182691072. Its totient is φ = 121794040.

The previous prime is 152242537. The next prime is 152242583. The reversal of 152242555 is 555242251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555242251 = 151 ⋅3677101.

It is not a de Polignac number, because 152242555 - 2⁵ = 152242523 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15224251 + ... + 15224260.

It is an arithmetic number, because the mean of its divisors is an integer number (45672768).

Almost surely, 2^152242555 is an apocalyptic number.

152242555 is a deficient number, since it is larger than the sum of its proper divisors (30448517).

152242555 is an equidigital number, since it uses as much as digits as its factorization.

152242555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30448516.

The product of its digits is 20000, while the sum is 31.

The square root of 152242555 is about 12338.6609889404. The cubic root of 152242555 is about 533.9640535123.

The spelling of 152242555 in words is "one hundred fifty-two million, two hundred forty-two thousand, five hundred fifty-five".