152191850 has 24 divisors (see below), whose sum is σ = 285889068. Its totient is φ = 60272000.

The previous prime is 152191829. The next prime is 152191901. The reversal of 152191850 is 58191251.

152191850 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 6 ways, for example, as 61199329 + 90992521 = 7823^2 + 9539^2 .

It is a Curzon number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 10019 + ... + 20118.

Almost surely, 2^152191850 is an apocalyptic number.

152191850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152191850 is a deficient number, since it is larger than the sum of its proper divisors (133697218).

152191850 is a wasteful number, since it uses less digits than its factorization.

152191850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250 (or 30245 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 152191850 is about 12336.6060973025. The cubic root of 152191850 is about 533.9047672992.

The spelling of 152191850 in words is "one hundred fifty-two million, one hundred ninety-one thousand, eight hundred fifty".