145220135351044 has 96 divisors (see below), whose sum is σ = 298609391646720. Its totient is φ = 61218507411072.

The previous prime is 145220135351021. The next prime is 145220135351077. The reversal of 145220135351044 is 440153531022541.

It is a super-2 number, since 2×145220135351044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145220135350988 and 145220135351006.

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 31 ways as a sum of consecutive naturals, for example, 20226982 + ... + 26449405.

It is an arithmetic number, because the mean of its divisors is an integer number (3110514496320).

Almost surely, 2^{145220135351044} is an apocalyptic number.

It is an amenable number.

145220135351044 is an abundant number, since it is smaller than the sum of its proper divisors (153389256295676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145220135351044 is a wasteful number, since it uses less digits than its factorization.

145220135351044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46676537 (or 46676535 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 145220135351044 its reverse (440153531022541), we get a palindrome (585373666373585).

The spelling of 145220135351044 in words is "one hundred forty-five trillion, two hundred twenty billion, one hundred thirty-five million, three hundred fifty-one thousand, forty-four".