152244449 has 4 divisors (see below), whose sum is σ = 173993664. Its totient is φ = 130495236.

The previous prime is 152244431. The next prime is 152244451. The reversal of 152244449 is 944442251.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152244449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152244149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10874597 + ... + 10874610.

It is an arithmetic number, because the mean of its divisors is an integer number (43498416).

Almost surely, 2^152244449 is an apocalyptic number.

It is an amenable number.

152244449 is a deficient number, since it is larger than the sum of its proper divisors (21749215).

152244449 is an equidigital number, since it uses as much as digits as its factorization.

152244449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21749214.

The product of its digits is 46080, while the sum is 35.

The square root of 152244449 is about 12338.7377393314. The cubic root of 152244449 is about 533.9662677940.

The spelling of 152244449 in words is "one hundred fifty-two million, two hundred forty-four thousand, four hundred forty-nine".