145140355333123 has 4 divisors (see below), whose sum is σ = 145162423205800. Its totient is φ = 145118287460448.

The previous prime is 145140355333109. The next prime is 145140355333147. The reversal of 145140355333123 is 321333553041541.

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

It is a cyclic number.

It is not a de Polignac number, because 145140355333123 - 2²¹ = 145140353235971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145140355333123.

It is not an unprimeable number, because it can be changed into a prime (145140355331123) 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, 11033926473 + ... + 11033939626.

It is an arithmetic number, because the mean of its divisors is an integer number (36290605801450).

Almost surely, 2^{145140355333123} is an apocalyptic number.

145140355333123 is a deficient number, since it is larger than the sum of its proper divisors (22067872677).

145140355333123 is an equidigital number, since it uses as much as digits as its factorization.

145140355333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22067872676.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 145140355333123 in words is "one hundred forty-five trillion, one hundred forty billion, three hundred fifty-five million, three hundred thirty-three thousand, one hundred twenty-three".