101454402 has 96 divisors (see below), whose sum is σ = 255301632. Its totient is φ = 26697216.

The previous prime is 101454401. The next prime is 101454439. The reversal of 101454402 is 204454101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101454401) 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, 264703 + ... + 265085.

It is an arithmetic number, because the mean of its divisors is an integer number (2659392).

Almost surely, 2^101454402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101454402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127650816).

101454402 is an abundant number, since it is smaller than the sum of its proper divisors (153847230).

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

101454402 is a wasteful number, since it uses less digits than its factorization.

101454402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 101454402 is about 10072.4575948474. The cubic root of 101454402 is about 466.3983068185.

The spelling of 101454402 in words is "one hundred one million, four hundred fifty-four thousand, four hundred two".