88145501 has 2 divisors, whose sum is σ = 88145502. Its totient is φ = 88145500.

The previous prime is 88145489. The next prime is 88145521. The reversal of 88145501 is 10554188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68873401 + 19272100 = 8299^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 88145501 - 2⁶ = 88145437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88145521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44072750 + 44072751.

It is an arithmetic number, because the mean of its divisors is an integer number (44072751).

Almost surely, 2^88145501 is an apocalyptic number.

It is an amenable number.

88145501 is a deficient number, since it is larger than the sum of its proper divisors (1).

88145501 is an equidigital number, since it uses as much as digits as its factorization.

88145501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 88145501 is about 9388.5835459882. The cubic root of 88145501 is about 445.0410280734.

Adding to 88145501 its reverse (10554188), we get a palindrome (98699689).

The spelling of 88145501 in words is "eighty-eight million, one hundred forty-five thousand, five hundred one".