324450157 has 4 divisors (see below), whose sum is σ = 324486460. Its totient is φ = 324413856.

The previous prime is 324450131. The next prime is 324450211. The reversal of 324450157 is 751054423.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 290566116 + 33884041 = 17046^2 + 5821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324450157 is a prime.

It is the 18013-rd Hogben 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 (324450107) by changing a digit.

It is a nontrivial repunit in base 18012.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (81121615).

Almost surely, 2^324450157 is an apocalyptic number.

It is an amenable number.

324450157 is a deficient number, since it is larger than the sum of its proper divisors (36303).

324450157 is a wasteful number, since it uses less digits than its factorization.

324450157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36302.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 324450157 is about 18012.5000208189. The cubic root of 324450157 is about 687.1464854485.

The spelling of 324450157 in words is "three hundred twenty-four million, four hundred fifty thousand, one hundred fifty-seven".