145002252091 has 2 divisors, whose sum is σ = 145002252092. Its totient is φ = 145002252090.

The previous prime is 145002252047. The next prime is 145002252121. The reversal of 145002252091 is 190252200541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145002252091 - 2⁷ = 145002251963 is a prime.

It is a super-2 number, since 2×145002252091² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145002252041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72501126045 + 72501126046.

It is an arithmetic number, because the mean of its divisors is an integer number (72501126046).

Almost surely, 2^145002252091 is an apocalyptic number.

145002252091 is a deficient number, since it is larger than the sum of its proper divisors (1).

145002252091 is an equidigital number, since it uses as much as digits as its factorization.

145002252091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 145002252091 in words is "one hundred forty-five billion, two million, two hundred fifty-two thousand, ninety-one".