52145306 has 8 divisors (see below), whose sum is σ = 80915220. Its totient is φ = 25173568.

The previous prime is 52145299. The next prime is 52145323. The reversal of 52145306 is 60354125.

It can be written as a sum of positive squares in 2 ways, for example, as 47265625 + 4879681 = 6875^2 + 2209^2 .

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

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, 449471 + ... + 449586.

Almost surely, 2^52145306 is an apocalyptic number.

52145306 is a deficient number, since it is larger than the sum of its proper divisors (28769914).

52145306 is a wasteful number, since it uses less digits than its factorization.

52145306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899088.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52145306 is about 7221.1706807138. The cubic root of 52145306 is about 373.5984566252.

The spelling of 52145306 in words is "fifty-two million, one hundred forty-five thousand, three hundred six".