154722313 has 2 divisors, whose sum is σ = 154722314. Its totient is φ = 154722312.

The previous prime is 154722307. The next prime is 154722319. The reversal of 154722313 is 313227451.

It is a balanced prime because it is at equal distance from previous prime (154722307) and next prime (154722319).

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 70761744 = 9163^2 + 8412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154722313 is a prime.

It is not a weakly prime, because it can be changed into another prime (154722319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77361156 + 77361157.

It is an arithmetic number, because the mean of its divisors is an integer number (77361157).

Almost surely, 2^154722313 is an apocalyptic number.

It is an amenable number.

154722313 is a deficient number, since it is larger than the sum of its proper divisors (1).

154722313 is an equidigital number, since it uses as much as digits as its factorization.

154722313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 154722313 is about 12438.7424203575. The cubic root of 154722313 is about 536.8475593966.

Adding to 154722313 its reverse (313227451), we get a palindrome (467949764).

The spelling of 154722313 in words is "one hundred fifty-four million, seven hundred twenty-two thousand, three hundred thirteen".