145586399389 has 4 divisors (see below), whose sum is σ = 145591833024. Its totient is φ = 145580965756.

The previous prime is 145586399381. The next prime is 145586399393. The reversal of 145586399389 is 983993685541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983993685541 = 115861 ⋅8492881.

It is a cyclic number.

It is not a de Polignac number, because 145586399389 - 2³ = 145586399381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145586399381) 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, 2676427 + ... + 2730280.

It is an arithmetic number, because the mean of its divisors is an integer number (36397958256).

Almost surely, 2^145586399389 is an apocalyptic number.

It is an amenable number.

145586399389 is a deficient number, since it is larger than the sum of its proper divisors (5433635).

145586399389 is an equidigital number, since it uses as much as digits as its factorization.

145586399389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433634.

The product of its digits is 251942400, while the sum is 70.

The spelling of 145586399389 in words is "one hundred forty-five billion, five hundred eighty-six million, three hundred ninety-nine thousand, three hundred eighty-nine".