152991453 has 4 divisors (see below), whose sum is σ = 203988608. Its totient is φ = 101994300.

The previous prime is 152991451. The next prime is 152991473. The reversal of 152991453 is 354199251.

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 152991453 - 2¹ = 152991451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152991451) 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, 25498573 + ... + 25498578.

It is an arithmetic number, because the mean of its divisors is an integer number (50997152).

Almost surely, 2^152991453 is an apocalyptic number.

It is an amenable number.

152991453 is a deficient number, since it is larger than the sum of its proper divisors (50997155).

152991453 is an equidigital number, since it uses as much as digits as its factorization.

152991453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50997154.

The product of its digits is 48600, while the sum is 39.

The square root of 152991453 is about 12368.9713800299. The cubic root of 152991453 is about 534.8381645770.

The spelling of 152991453 in words is "one hundred fifty-two million, nine hundred ninety-one thousand, four hundred fifty-three".