87246145 has 8 divisors (see below), whose sum is σ = 119651904. Its totient is φ = 59825904.

The previous prime is 87246143. The next prime is 87246167. The reversal of 87246145 is 54164278.

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

It is a cyclic number.

It is not a de Polignac number, because 87246145 - 2¹ = 87246143 is a prime.

It is a super-2 number, since 2×87246145² = 15223779634722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87246143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246339 + ... + 1246408.

It is an arithmetic number, because the mean of its divisors is an integer number (14956488).

Almost surely, 2^87246145 is an apocalyptic number.

It is an amenable number.

87246145 is a deficient number, since it is larger than the sum of its proper divisors (32405759).

87246145 is a wasteful number, since it uses less digits than its factorization.

87246145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492759.

The product of its digits is 53760, while the sum is 37.

The square root of 87246145 is about 9340.5644904363. The cubic root of 87246145 is about 443.5222538273.

The spelling of 87246145 in words is "eighty-seven million, two hundred forty-six thousand, one hundred forty-five".