53158145 has 8 divisors (see below), whose sum is σ = 64835880. Its totient is φ = 41829120.

The previous prime is 53158123. The next prime is 53158153. The reversal of 53158145 is 54185135.

It can be written as a sum of positive squares in 4 ways, for example, as 6754801 + 46403344 = 2599^2 + 6812^2 .

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

It is not a de Polignac number, because 53158145 - 2¹⁸ = 52896001 is a prime.

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, 86840 + ... + 87449.

It is an arithmetic number, because the mean of its divisors is an integer number (8104485).

Almost surely, 2^53158145 is an apocalyptic number.

It is an amenable number.

53158145 is a deficient number, since it is larger than the sum of its proper divisors (11677735).

53158145 is a wasteful number, since it uses less digits than its factorization.

53158145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174355.

The product of its digits is 12000, while the sum is 32.

The square root of 53158145 is about 7290.9632422609. The cubic root of 53158145 is about 376.0018131231.

The spelling of 53158145 in words is "fifty-three million, one hundred fifty-eight thousand, one hundred forty-five".