105144446 has 16 divisors (see below), whose sum is σ = 172222848. Its totient is φ = 47746200.

The previous prime is 105144437. The next prime is 105144469. The reversal of 105144446 is 644441501.

It is a super-2 number, since 2×105144446² = 22110709049293832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31661 + ... + 34823.

It is an arithmetic number, because the mean of its divisors is an integer number (10763928).

Almost surely, 2^105144446 is an apocalyptic number.

105144446 is a deficient number, since it is larger than the sum of its proper divisors (67078402).

105144446 is a wasteful number, since it uses less digits than its factorization.

105144446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 105144446 is about 10253.9965866973. The cubic root of 105144446 is about 471.9856328817.

Adding to 105144446 its reverse (644441501), we get a palindrome (749585947).

The spelling of 105144446 in words is "one hundred five million, one hundred forty-four thousand, four hundred forty-six".