52145205 has 64 divisors (see below), whose sum is σ = 102187008. Its totient is φ = 22164480.

The previous prime is 52145183. The next prime is 52145207. The reversal of 52145205 is 50254125.

It is a happy number.

It is not a de Polignac number, because 52145205 - 2¹⁰ = 52144181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233724 + ... + 233946.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 2^52145205 is an apocalyptic number.

It is an amenable number.

52145205 is a deficient number, since it is larger than the sum of its proper divisors (50041803).

52145205 is a wasteful number, since it uses less digits than its factorization.

52145205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52145205 is about 7221.1636873845. The cubic root of 52145205 is about 373.5982154181.

The spelling of 52145205 in words is "fifty-two million, one hundred forty-five thousand, two hundred five".