100140452254 has 4 divisors (see below), whose sum is σ = 150210678384. Its totient is φ = 50070226126.

The previous prime is 100140452249. The next prime is 100140452281. The reversal of 100140452254 is 452254041001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452254041001 = 7 ⋅64607720143.

It is a super-2 number, since 2×100140452254² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25035113062 + ... + 25035113065.

It is an arithmetic number, because the mean of its divisors is an integer number (37552669596).

Almost surely, 2^100140452254 is an apocalyptic number.

100140452254 is a deficient number, since it is larger than the sum of its proper divisors (50070226130).

100140452254 is an equidigital number, since it uses as much as digits as its factorization.

100140452254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50070226129.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 100140452254 its reverse (452254041001), we get a palindrome (552394493255).

The spelling of 100140452254 in words is "one hundred billion, one hundred forty million, four hundred fifty-two thousand, two hundred fifty-four".