152845397 has 4 divisors (see below), whose sum is σ = 153230796. Its totient is φ = 152460000.

The previous prime is 152845393. The next prime is 152845403. The reversal of 152845397 is 793548251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793548251 = 137 ⋅5792323.

It can be written as a sum of positive squares in 2 ways, for example, as 105042001 + 47803396 = 10249^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 152845397 - 2² = 152845393 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 (152845391) by changing a digit.

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, 192104 + ... + 192897.

It is an arithmetic number, because the mean of its divisors is an integer number (38307699).

Almost surely, 2^152845397 is an apocalyptic number.

It is an amenable number.

152845397 is a deficient number, since it is larger than the sum of its proper divisors (385399).

152845397 is an equidigital number, since it uses as much as digits as its factorization.

152845397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385398.

The product of its digits is 302400, while the sum is 44.

The square root of 152845397 is about 12363.0658414489. The cubic root of 152845397 is about 534.6679128124.

The spelling of 152845397 in words is "one hundred fifty-two million, eight hundred forty-five thousand, three hundred ninety-seven".