145102100 has 144 divisors (see below), whose sum is σ = 377684160. Its totient is φ = 47692800.

The previous prime is 145102099. The next prime is 145102117. The reversal of 145102100 is 1201541.

145102100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1043831 + ... + 1043969.

Almost surely, 2^145102100 is an apocalyptic number.

145102100 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 145102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188842080).

145102100 is an abundant number, since it is smaller than the sum of its proper divisors (232582060).

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

145102100 is a wasteful number, since it uses less digits than its factorization.

145102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 145102100 is about 12045.8333045082. The cubic root of 145102100 is about 525.4820666684.

Adding to 145102100 its reverse (1201541), we get a palindrome (146303641).

The spelling of 145102100 in words is "one hundred forty-five million, one hundred two thousand, one hundred".