145436634522064 has 10 divisors (see below), whose sum is σ = 281783479386530. Its totient is φ = 72718317261024.

The previous prime is 145436634522037. The next prime is 145436634522073. The reversal of 145436634522064 is 460225436634541.

It can be written as a sum of positive squares in only one way, i.e., 141286695142464 + 4149939379600 = 11886408^2 + 2037140^2 .

It is a super-2 number, since 2×145436634522064² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145436634521996 and 145436634522014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4544894828799 + ... + 4544894828830.

It is an arithmetic number, because the mean of its divisors is an integer number (28178347938653).

Almost surely, 2^{145436634522064} is an apocalyptic number.

It is an amenable number.

145436634522064 is a deficient number, since it is larger than the sum of its proper divisors (136346844864466).

145436634522064 is an equidigital number, since it uses as much as digits as its factorization.

145436634522064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089789657637 (or 9089789657631 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 145436634522064 in words is "one hundred forty-five trillion, four hundred thirty-six billion, six hundred thirty-four million, five hundred twenty-two thousand, sixty-four".