145345143571 has 2 divisors, whose sum is σ = 145345143572. Its totient is φ = 145345143570.

The previous prime is 145345143557. The next prime is 145345143577. The reversal of 145345143571 is 175341543541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145345143571 - 2⁷ = 145345143443 is a prime.

It is a super-2 number, since 2×145345143571² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145345143577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672571785 + 72672571786.

It is an arithmetic number, because the mean of its divisors is an integer number (72672571786).

Almost surely, 2^145345143571 is an apocalyptic number.

145345143571 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345143571 is an equidigital number, since it uses as much as digits as its factorization.

145345143571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The spelling of 145345143571 in words is "one hundred forty-five billion, three hundred forty-five million, one hundred forty-three thousand, five hundred seventy-one".