87357145 has 8 divisors (see below), whose sum is σ = 104894856. Its totient is φ = 69841536.

The previous prime is 87357139. The next prime is 87357167. The reversal of 87357145 is 54175378.

It can be written as a sum of positive squares in 4 ways, for example, as 35473936 + 51883209 = 5956^2 + 7203^2 .

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 87357145 - 2¹¹ = 87355097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87357098 and 87357107.

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, 4999 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (13111857).

Almost surely, 2^87357145 is an apocalyptic number.

It is an amenable number.

87357145 is a deficient number, since it is larger than the sum of its proper divisors (17537711).

87357145 is a wasteful number, since it uses less digits than its factorization.

87357145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051.

The product of its digits is 117600, while the sum is 40.

The square root of 87357145 is about 9346.5044267897. The cubic root of 87357145 is about 443.7102663623.

The spelling of 87357145 in words is "eighty-seven million, three hundred fifty-seven thousand, one hundred forty-five".