103442864 has 80 divisors (see below), whose sum is σ = 239889408. Its totient is φ = 42287616.

The previous prime is 103442851. The next prime is 103442869. The reversal of 103442864 is 468244301.

It is a super-2 number, since 2×103442864² = 21400852225044992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103442864.

It is not an unprimeable number, because it can be changed into a prime (103442869) 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, 226124 + ... + 226580.

Almost surely, 2^103442864 is an apocalyptic number.

103442864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103442864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119944704).

103442864 is an abundant number, since it is smaller than the sum of its proper divisors (136446544).

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

103442864 is a wasteful number, since it uses less digits than its factorization.

103442864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 103442864 is about 10170.6865058363. The cubic root of 103442864 is about 469.4256814736.

The spelling of 103442864 in words is "one hundred three million, four hundred forty-two thousand, eight hundred sixty-four".