234145501 has 2 divisors, whose sum is σ = 234145502. Its totient is φ = 234145500.

The previous prime is 234145463. The next prime is 234145517. The reversal of 234145501 is 105541432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213452100 + 20693401 = 14610^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 234145501 - 2²³ = 225756893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234145001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117072750 + 117072751.

It is an arithmetic number, because the mean of its divisors is an integer number (117072751).

Almost surely, 2^234145501 is an apocalyptic number.

It is an amenable number.

234145501 is a deficient number, since it is larger than the sum of its proper divisors (1).

234145501 is an equidigital number, since it uses as much as digits as its factorization.

234145501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 234145501 is about 15301.8136506755. The cubic root of 234145501 is about 616.3517108334.

Adding to 234145501 its reverse (105541432), we get a palindrome (339686933).

The spelling of 234145501 in words is "two hundred thirty-four million, one hundred forty-five thousand, five hundred one".