145344441146 has 16 divisors (see below), whose sum is σ = 222934795776. Its totient is φ = 71036724336.

The previous prime is 145344441131. The next prime is 145344441157. The reversal of 145344441146 is 641144443541.

145344441146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145344441146² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895106 + ... + 1044941.

It is an arithmetic number, because the mean of its divisors is an integer number (13933424736).

Almost surely, 2^145344441146 is an apocalyptic number.

145344441146 is a deficient number, since it is larger than the sum of its proper divisors (77590354630).

145344441146 is a wasteful number, since it uses less digits than its factorization.

145344441146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940893.

The product of its digits is 368640, while the sum is 41.

Adding to 145344441146 its reverse (641144443541), we get a palindrome (786488884687).

The spelling of 145344441146 in words is "one hundred forty-five billion, three hundred forty-four million, four hundred forty-one thousand, one hundred forty-six".