99142648 has 64 divisors (see below), whose sum is σ = 214034400. Its totient is φ = 42631680.

The previous prime is 99142643. The next prime is 99142679. The reversal of 99142648 is 84624199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99142643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134890 + ... + 135622.

Almost surely, 2^99142648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99142648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107017200).

99142648 is an abundant number, since it is smaller than the sum of its proper divisors (114891752).

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

99142648 is a wasteful number, since it uses less digits than its factorization.

99142648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 828 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 99142648 is about 9957.0401224460. The cubic root of 99142648 is about 462.8285824765.

The spelling of 99142648 in words is "ninety-nine million, one hundred forty-two thousand, six hundred forty-eight".