105145150444 has 12 divisors (see below), whose sum is σ = 184033269000. Its totient is φ = 52564216448.

The previous prime is 105145150427. The next prime is 105145150507. The reversal of 105145150444 is 444051541501.

It is a super-2 number, since 2×105145150444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061349 + ... + 2111740.

It is an arithmetic number, because the mean of its divisors is an integer number (15336105750).

Almost surely, 2^105145150444 is an apocalyptic number.

It is an amenable number.

105145150444 is a deficient number, since it is larger than the sum of its proper divisors (78888118556).

105145150444 is a wasteful number, since it uses less digits than its factorization.

105145150444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179392 (or 4179390 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 105145150444 its reverse (444051541501), we get a palindrome (549196691945).

The spelling of 105145150444 in words is "one hundred five billion, one hundred forty-five million, one hundred fifty thousand, four hundred forty-four".