145336313553446 has 4 divisors (see below), whose sum is σ = 218004470330172. Its totient is φ = 72668156776722.

The previous prime is 145336313553443. The next prime is 145336313553461. The reversal of 145336313553446 is 644355313633541.

145336313553446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×145336313553446² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145336313553391 and 145336313553400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145336313553443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36334078388360 + ... + 36334078388363.

It is an arithmetic number, because the mean of its divisors is an integer number (54501117582543).

Almost surely, 2^{145336313553446} is an apocalyptic number.

145336313553446 is a deficient number, since it is larger than the sum of its proper divisors (72668156776726).

145336313553446 is an equidigital number, since it uses as much as digits as its factorization.

145336313553446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72668156776725.

The product of its digits is 69984000, while the sum is 56.

The spelling of 145336313553446 in words is "one hundred forty-five trillion, three hundred thirty-six billion, three hundred thirteen million, five hundred fifty-three thousand, four hundred forty-six".