145233453851 has 2 divisors, whose sum is σ = 145233453852. Its totient is φ = 145233453850.

The previous prime is 145233453823. The next prime is 145233453853. The reversal of 145233453851 is 158354332541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145233453851 is a prime.

It is a super-2 number, since 2×145233453851² (a number of 23 digits) contains 22 as substring.

Together with 145233453853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145233453853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72616726925 + 72616726926.

It is an arithmetic number, because the mean of its divisors is an integer number (72616726926).

Almost surely, 2^145233453851 is an apocalyptic number.

145233453851 is a deficient number, since it is larger than the sum of its proper divisors (1).

145233453851 is an equidigital number, since it uses as much as digits as its factorization.

145233453851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The spelling of 145233453851 in words is "one hundred forty-five billion, two hundred thirty-three million, four hundred fifty-three thousand, eight hundred fifty-one".