105144236 has 24 divisors (see below), whose sum is σ = 189612864. Its totient is φ = 50993280.

The previous prime is 105144223. The next prime is 105144241. The reversal of 105144236 is 632441501.

It is a super-2 number, since 2×105144236² = 22110620728047392, which contains 22 as substring.

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, 14861 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (7900536).

Almost surely, 2^105144236 is an apocalyptic number.

It is an amenable number.

105144236 is a deficient number, since it is larger than the sum of its proper divisors (84468628).

105144236 is a wasteful number, since it uses less digits than its factorization.

105144236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105144236 is about 10253.9863467824. The cubic root of 105144236 is about 471.9853186566.

Adding to 105144236 its reverse (632441501), we get a palindrome (737585737).

The spelling of 105144236 in words is "one hundred five million, one hundred forty-four thousand, two hundred thirty-six".