145626317236 has 24 divisors (see below), whose sum is σ = 265341532680. Its totient is φ = 69872678400.

The previous prime is 145626317227. The next prime is 145626317267. The reversal of 145626317236 is 632713626541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9137448100 + 136488869136 = 95590^2 + 369444^2 .

It is a super-2 number, since 2×145626317236² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7268401 + ... + 7288408.

It is an arithmetic number, because the mean of its divisors is an integer number (11055897195).

Almost surely, 2^145626317236 is an apocalyptic number.

It is an amenable number.

145626317236 is a deficient number, since it is larger than the sum of its proper divisors (119715215444).

145626317236 is a wasteful number, since it uses less digits than its factorization.

145626317236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556915 (or 14556913 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The spelling of 145626317236 in words is "one hundred forty-five billion, six hundred twenty-six million, three hundred seventeen thousand, two hundred thirty-six".