88145790 has 64 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 22359680.

The previous prime is 88145789. The next prime is 88145857. The reversal of 88145790 is 9754188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61057 + ... + 62483.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^88145790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88145790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111041280).

88145790 is an abundant number, since it is smaller than the sum of its proper divisors (133936770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88145790 is a wasteful number, since it uses less digits than its factorization.

88145790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 88145790 is about 9388.5989370087. The cubic root of 88145790 is about 445.0415144538.

The spelling of 88145790 in words is "eighty-eight million, one hundred forty-five thousand, seven hundred ninety".