145234100 has 72 divisors (see below), whose sum is σ = 361956000. Its totient is φ = 50025600.

The previous prime is 145234099. The next prime is 145234127. The reversal of 145234100 is 1432541.

145234100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 17426 + ... + 24374.

Almost surely, 2^145234100 is an apocalyptic number.

145234100 is a gapful number since it is divisible by the number (10) 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 145234100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180978000).

145234100 is an abundant number, since it is smaller than the sum of its proper divisors (216721900).

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

145234100 is a wasteful number, since it uses less digits than its factorization.

145234100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145234100 is about 12051.3111319889. The cubic root of 145234100 is about 525.6413628007.

Adding to 145234100 its reverse (1432541), we get a palindrome (146666641).

The spelling of 145234100 in words is "one hundred forty-five million, two hundred thirty-four thousand, one hundred".