102101454 has 96 divisors (see below), whose sum is σ = 275917824. Its totient is φ = 26568000.

The previous prime is 102101453. The next prime is 102101471. The reversal of 102101454 is 454101201.

102101454 is a `hidden beast` number, since 1 + 0 + 210 + 1 + 454 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135579 + ... + 136329.

It is an arithmetic number, because the mean of its divisors is an integer number (2874144).

Almost surely, 2^102101454 is an apocalyptic number.

102101454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102101454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137958912).

102101454 is an abundant number, since it is smaller than the sum of its proper divisors (173816370).

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

102101454 is a wasteful number, since it uses less digits than its factorization.

102101454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102101454 is about 10104.5264114653. The cubic root of 102101454 is about 467.3877321043.

Adding to 102101454 its reverse (454101201), we get a palindrome (556202655).

It can be divided in two parts, 10210 and 1454, that added together give a square (11664 = 108²).

The spelling of 102101454 in words is "one hundred two million, one hundred one thousand, four hundred fifty-four".