52145105 has 4 divisors (see below), whose sum is σ = 62574132. Its totient is φ = 41716080.

The previous prime is 52145053. The next prime is 52145129. The reversal of 52145105 is 50154125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37368769 + 14776336 = 6113^2 + 3844^2 .

It is not a de Polignac number, because 52145105 - 2²⁴ = 35367889 is a prime.

It is a super-2 number, since 2×52145105² = 5438223950922050, which contains 22 as substring.

It is a Duffinian 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, 5214506 + ... + 5214515.

It is an arithmetic number, because the mean of its divisors is an integer number (15643533).

Almost surely, 2^52145105 is an apocalyptic number.

It is an amenable number.

52145105 is a deficient number, since it is larger than the sum of its proper divisors (10429027).

52145105 is a wasteful number, since it uses less digits than its factorization.

52145105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10429026.

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

The square root of 52145105 is about 7221.1567632894. The cubic root of 52145105 is about 373.5979765987.

The spelling of 52145105 in words is "fifty-two million, one hundred forty-five thousand, one hundred five".