146123547552447 has 4 divisors (see below), whose sum is σ = 194831396736600. Its totient is φ = 97415698368296.

The previous prime is 146123547552439. The next prime is 146123547552503. The reversal of 146123547552447 is 744255745321641.

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 146123547552447 - 2³ = 146123547552439 is a prime.

It is a super-2 number, since 2×146123547552447² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146123547552407) 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, 24353924592072 + ... + 24353924592077.

It is an arithmetic number, because the mean of its divisors is an integer number (48707849184150).

Almost surely, 2^{146123547552447} is an apocalyptic number.

146123547552447 is a deficient number, since it is larger than the sum of its proper divisors (48707849184153).

146123547552447 is an equidigital number, since it uses as much as digits as its factorization.

146123547552447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707849184152.

The product of its digits is 112896000, while the sum is 60.

The spelling of 146123547552447 in words is "one hundred forty-six trillion, one hundred twenty-three billion, five hundred forty-seven million, five hundred fifty-two thousand, four hundred forty-seven".