100542454 has 16 divisors (see below), whose sum is σ = 159894000. Its totient is φ = 47252224.

The previous prime is 100542451. The next prime is 100542473. The reversal of 100542454 is 454245001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100542451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34257 + ... + 37075.

It is an arithmetic number, because the mean of its divisors is an integer number (9993375).

Almost surely, 2^100542454 is an apocalyptic number.

100542454 is a deficient number, since it is larger than the sum of its proper divisors (59351546).

100542454 is a wasteful number, since it uses less digits than its factorization.

100542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 100542454 is about 10027.0860173831. The cubic root of 100542454 is about 464.9966531535.

Adding to 100542454 its reverse (454245001), we get a palindrome (554787455).

The spelling of 100542454 in words is "one hundred million, five hundred forty-two thousand, four hundred fifty-four".