152292991 has 4 divisors (see below), whose sum is σ = 152330472. Its totient is φ = 152255512.

The previous prime is 152292977. The next prime is 152293003. The reversal of 152292991 is 199292251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152292991 - 2¹⁹ = 151768703 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152292191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11785 + ... + 21058.

It is an arithmetic number, because the mean of its divisors is an integer number (38082618).

Almost surely, 2^152292991 is an apocalyptic number.

152292991 is a deficient number, since it is larger than the sum of its proper divisors (37481).

152292991 is an equidigital number, since it uses as much as digits as its factorization.

152292991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37480.

The product of its digits is 29160, while the sum is 40.

The square root of 152292991 is about 12340.7046395252. The cubic root of 152292991 is about 534.0230121426.

The spelling of 152292991 in words is "one hundred fifty-two million, two hundred ninety-two thousand, nine hundred ninety-one".