145134210451 has 2 divisors, whose sum is σ = 145134210452. Its totient is φ = 145134210450.

The previous prime is 145134210421. The next prime is 145134210461. The reversal of 145134210451 is 154012431541.

It is a strong prime.

It is an emirp because it is prime and its reverse (154012431541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145134210451 is a prime.

It is not a weakly prime, because it can be changed into another prime (145134210421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72567105225 + 72567105226.

It is an arithmetic number, because the mean of its divisors is an integer number (72567105226).

Almost surely, 2^145134210451 is an apocalyptic number.

145134210451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145134210451 is an equidigital number, since it uses as much as digits as its factorization.

145134210451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 145134210451 its reverse (154012431541), we get a palindrome (299146641992).

The spelling of 145134210451 in words is "one hundred forty-five billion, one hundred thirty-four million, two hundred ten thousand, four hundred fifty-one".