88142490 has 24 divisors (see below), whose sum is σ = 229170708. Its totient is φ = 23504640.

The previous prime is 88142441. The next prime is 88142491. The reversal of 88142490 is 9424188.

It can be written as a sum of positive squares in 2 ways, for example, as 72437121 + 15705369 = 8511^2 + 3963^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88142491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489591 + ... + 489770.

Almost surely, 2^88142490 is an apocalyptic number.

88142490 is an abundant number, since it is smaller than the sum of its proper divisors (141028218).

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

88142490 is a wasteful number, since it uses less digits than its factorization.

88142490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979374 (or 979371 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88142490 is about 9388.4231902913. The cubic root of 88142490 is about 445.0359605666.

The spelling of 88142490 in words is "eighty-eight million, one hundred forty-two thousand, four hundred ninety".