105652145 has 8 divisors (see below), whose sum is σ = 126876456. Its totient is φ = 84459136.

The previous prime is 105652139. The next prime is 105652153. The reversal of 105652145 is 541256501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21893041 + 83759104 = 4679^2 + 9152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105652145 - 2⁶ = 105652081 is a prime.

It is a super-2 number, since 2×105652145² = 22324751486202050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 389 + ... + 14541.

It is an arithmetic number, because the mean of its divisors is an integer number (15859557).

Almost surely, 2^105652145 is an apocalyptic number.

It is an amenable number.

105652145 is a deficient number, since it is larger than the sum of its proper divisors (21224311).

105652145 is a wasteful number, since it uses less digits than its factorization.

105652145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 105652145 is about 10278.7229265118. The cubic root of 105652145 is about 472.7440878399.

The spelling of 105652145 in words is "one hundred five million, six hundred fifty-two thousand, one hundred forty-five".