145423425299 has 4 divisors (see below), whose sum is σ = 145428813264. Its totient is φ = 145418037336.

The previous prime is 145423425281. The next prime is 145423425311. The reversal of 145423425299 is 992524324541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145423425299 is a prime.

It is a super-2 number, since 2×145423425299² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145423425599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653292 + ... + 2707545.

It is an arithmetic number, because the mean of its divisors is an integer number (36357203316).

Almost surely, 2^145423425299 is an apocalyptic number.

145423425299 is a deficient number, since it is larger than the sum of its proper divisors (5387965).

145423425299 is an equidigital number, since it uses as much as digits as its factorization.

145423425299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387964.

The product of its digits is 3110400, while the sum is 50.

The spelling of 145423425299 in words is "one hundred forty-five billion, four hundred twenty-three million, four hundred twenty-five thousand, two hundred ninety-nine".