52260145 has 16 divisors (see below), whose sum is σ = 72108288. Its totient is φ = 35616960.

The previous prime is 52260139. The next prime is 52260149. The reversal of 52260145 is 54106225.

It is not a de Polignac number, because 52260145 - 2⁵ = 52260113 is a prime.

It is a super-3 number, since 3×52260145³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (52260149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (4506768).

Almost surely, 2^52260145 is an apocalyptic number.

It is an amenable number.

52260145 is a deficient number, since it is larger than the sum of its proper divisors (19848143).

52260145 is a wasteful number, since it uses less digits than its factorization.

52260145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52260145 is about 7229.1178576642. The cubic root of 52260145 is about 373.8725127165.

The spelling of 52260145 in words is "fifty-two million, two hundred sixty thousand, one hundred forty-five".