145097423 has 2 divisors, whose sum is σ = 145097424. Its totient is φ = 145097422.

The previous prime is 145097419. The next prime is 145097429. The reversal of 145097423 is 324790541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145097423 - 2² = 145097419 is a prime.

It is a super-2 number, since 2×145097423² = 42106524322481858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145097429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72548711 + 72548712.

It is an arithmetic number, because the mean of its divisors is an integer number (72548712).

Almost surely, 2^145097423 is an apocalyptic number.

145097423 is a deficient number, since it is larger than the sum of its proper divisors (1).

145097423 is an equidigital number, since it uses as much as digits as its factorization.

145097423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 145097423 is about 12045.6391694256. The cubic root of 145097423 is about 525.4764207450.

The spelling of 145097423 in words is "one hundred forty-five million, ninety-seven thousand, four hundred twenty-three".