145165236214553 has 4 divisors (see below), whose sum is σ = 145170946236288. Its totient is φ = 145159526192820.

The previous prime is 145165236214547. The next prime is 145165236214571. The reversal of 145165236214553 is 355412632561541.

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 a de Polignac number, because none of the positive numbers 2^k-145165236214553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145165236214495 and 145165236214504.

It is not an unprimeable number, because it can be changed into a prime (145165436214553) 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, 2854972733 + ... + 2855023578.

It is an arithmetic number, because the mean of its divisors is an integer number (36292736559072).

Almost surely, 2^{145165236214553} is an apocalyptic number.

It is an amenable number.

145165236214553 is a deficient number, since it is larger than the sum of its proper divisors (5710021735).

145165236214553 is an equidigital number, since it uses as much as digits as its factorization.

145165236214553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710021734.

The product of its digits is 12960000, while the sum is 53.

The spelling of 145165236214553 in words is "one hundred forty-five trillion, one hundred sixty-five billion, two hundred thirty-six million, two hundred fourteen thousand, five hundred fifty-three".