152251345 has 4 divisors (see below), whose sum is σ = 182701620. Its totient is φ = 121801072.

The previous prime is 152251343. The next prime is 152251349. The reversal of 152251345 is 543152251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21743569 + 130507776 = 4663^2 + 11424^2 .

It is a cyclic number.

It is not a de Polignac number, because 152251345 - 2¹ = 152251343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152251343) 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, 15225130 + ... + 15225139.

It is an arithmetic number, because the mean of its divisors is an integer number (45675405).

Almost surely, 2^152251345 is an apocalyptic number.

It is an amenable number.

152251345 is a deficient number, since it is larger than the sum of its proper divisors (30450275).

152251345 is an equidigital number, since it uses as much as digits as its factorization.

152251345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30450274.

The product of its digits is 6000, while the sum is 28.

The square root of 152251345 is about 12339.0171812831. The cubic root of 152251345 is about 533.9743297755.

The spelling of 152251345 in words is "one hundred fifty-two million, two hundred fifty-one thousand, three hundred forty-five".