145366351233 has 4 divisors (see below), whose sum is σ = 193821801648. Its totient is φ = 96910900820.

The previous prime is 145366351159. The next prime is 145366351261. The reversal of 145366351233 is 332153663541.

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.

It is a cyclic number.

It is not a de Polignac number, because 145366351233 - 2¹⁷ = 145366220161 is a prime.

It is a super-2 number, since 2×145366351233² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145366371233) 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, 24227725203 + ... + 24227725208.

It is an arithmetic number, because the mean of its divisors is an integer number (48455450412).

Almost surely, 2^145366351233 is an apocalyptic number.

It is an amenable number.

145366351233 is a deficient number, since it is larger than the sum of its proper divisors (48455450415).

145366351233 is an equidigital number, since it uses as much as digits as its factorization.

145366351233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48455450414.

The product of its digits is 583200, while the sum is 42.

The spelling of 145366351233 in words is "one hundred forty-five billion, three hundred sixty-six million, three hundred fifty-one thousand, two hundred thirty-three".