105145052 has 12 divisors (see below), whose sum is σ = 192004176. Its totient is φ = 50286720.

The previous prime is 105145013. The next prime is 105145081. The reversal of 105145052 is 250541501.

It is a happy number.

It is a super-2 number, since 2×105145052² = 22110963920165408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 571349 + ... + 571532.

It is an arithmetic number, because the mean of its divisors is an integer number (16000348).

Almost surely, 2^105145052 is an apocalyptic number.

It is an amenable number.

105145052 is a deficient number, since it is larger than the sum of its proper divisors (86859124).

105145052 is a wasteful number, since it uses less digits than its factorization.

105145052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142908 (or 1142906 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 105145052 is about 10254.0261361087. The cubic root of 105145052 is about 471.9865396430.

Adding to 105145052 its reverse (250541501), we get a palindrome (355686553).

The spelling of 105145052 in words is "one hundred five million, one hundred forty-five thousand, fifty-two".