145836858293 has 4 divisors (see below), whose sum is σ = 166670695200. Its totient is φ = 125003021388.

The previous prime is 145836858283. The next prime is 145836858311. The reversal of 145836858293 is 392858638541.

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: 392858638541 = 277 ⋅1418262233.

It is not a de Polignac number, because 145836858293 - 2¹⁶ = 145836792757 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 (145836858203) 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, 10416918443 + ... + 10416918456.

It is an arithmetic number, because the mean of its divisors is an integer number (41667673800).

Almost surely, 2^145836858293 is an apocalyptic number.

It is an amenable number.

145836858293 is a deficient number, since it is larger than the sum of its proper divisors (20833836907).

145836858293 is an equidigital number, since it uses as much as digits as its factorization.

145836858293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833836906.

The product of its digits is 49766400, while the sum is 62.

The spelling of 145836858293 in words is "one hundred forty-five billion, eight hundred thirty-six million, eight hundred fifty-eight thousand, two hundred ninety-three".