100155004254 has 20 divisors (see below), whose sum is σ = 224421398784. Its totient is φ = 33385001364.

The previous prime is 100155004253. The next prime is 100155004307. The reversal of 100155004254 is 452400551001.

100155004254 is a `hidden beast` number, since 100 + 1 + 5 + 500 + 4 + 2 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155004253) 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 9 ways as a sum of consecutive naturals, for example, 309120222 + ... + 309120545.

Almost surely, 2^100155004254 is an apocalyptic number.

100155004254 is an abundant number, since it is smaller than the sum of its proper divisors (124266394530).

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

100155004254 is an equidigital number, since it uses as much as digits as its factorization.

100155004254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618240781 (or 618240772 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 100155004254 its reverse (452400551001), we get a palindrome (552555555255).

The spelling of 100155004254 in words is "one hundred billion, one hundred fifty-five million, four thousand, two hundred fifty-four".