103143864 has 64 divisors (see below), whose sum is σ = 271383840. Its totient is φ = 32624640.

The previous prime is 103143847. The next prime is 103143869. The reversal of 103143864 is 468341301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103143869) 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, 34992 + ... + 37824.

Almost surely, 2^103143864 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 103143864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135691920).

103143864 is an abundant number, since it is smaller than the sum of its proper divisors (168239976).

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

103143864 is a wasteful number, since it uses less digits than its factorization.

103143864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 103143864 is about 10155.9767624783. The cubic root of 103143864 is about 468.9729557678.

The spelling of 103143864 in words is "one hundred three million, one hundred forty-three thousand, eight hundred sixty-four".