10142454 has 32 divisors (see below), whose sum is σ = 23581440. Its totient is φ = 2848032.

The previous prime is 10142449. The next prime is 10142467. The reversal of 10142454 is 45424101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10142454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (736920).

Almost surely, 2^10142454 is an apocalyptic number.

10142454 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 10142454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11790720).

10142454 is an abundant number, since it is smaller than the sum of its proper divisors (13438986).

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

10142454 is a wasteful number, since it uses less digits than its factorization.

10142454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

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

The square root of 10142454 is about 3184.7219658865. The cubic root of 10142454 is about 216.4616754127.

Adding to 10142454 its reverse (45424101), we get a palindrome (55566555).

The spelling of 10142454 in words is "ten million, one hundred forty-two thousand, four hundred fifty-four".