152190849 has 4 divisors (see below), whose sum is σ = 202921136. Its totient is φ = 101460564.

The previous prime is 152190833. The next prime is 152190853. The reversal of 152190849 is 948091251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 152190849 - 2⁴ = 152190833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152190859) 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, 25365139 + ... + 25365144.

It is an arithmetic number, because the mean of its divisors is an integer number (50730284).

Almost surely, 2^152190849 is an apocalyptic number.

It is an amenable number.

152190849 is a deficient number, since it is larger than the sum of its proper divisors (50730287).

152190849 is an equidigital number, since it uses as much as digits as its factorization.

152190849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50730286.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 152190849 is about 12336.5655269204. The cubic root of 152190849 is about 533.9035967594.

The spelling of 152190849 in words is "one hundred fifty-two million, one hundred ninety thousand, eight hundred forty-nine".