145325022091 has 2 divisors, whose sum is σ = 145325022092. Its totient is φ = 145325022090.

The previous prime is 145325022061. The next prime is 145325022103. The reversal of 145325022091 is 190220523541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145325022091 - 2¹⁵ = 145324989323 is a prime.

It is a super-2 number, since 2×145325022091² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145325022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72662511045 + 72662511046.

It is an arithmetic number, because the mean of its divisors is an integer number (72662511046).

Almost surely, 2^145325022091 is an apocalyptic number.

145325022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

145325022091 is an equidigital number, since it uses as much as digits as its factorization.

145325022091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 145325022091 in words is "one hundred forty-five billion, three hundred twenty-five million, twenty-two thousand, ninety-one".