103145432 has 96 divisors (see below), whose sum is σ = 227681280. Its totient is φ = 43655040.

The previous prime is 103145429. The next prime is 103145447. The reversal of 103145432 is 234541301.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 103145398 and 103145407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963923 + ... + 964029.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^103145432 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 103145432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113840640).

103145432 is an abundant number, since it is smaller than the sum of its proper divisors (124535848).

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

103145432 is a wasteful number, since it uses less digits than its factorization.

103145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103145432 is about 10156.0539581079. The cubic root of 103145432 is about 468.9753322087.

Adding to 103145432 its reverse (234541301), we get a palindrome (337686733).

The spelling of 103145432 in words is "one hundred three million, one hundred forty-five thousand, four hundred thirty-two".