100148434 has 8 divisors (see below), whose sum is σ = 150385788. Its totient is φ = 50019840.

The previous prime is 100148423. The next prime is 100148441. The reversal of 100148434 is 434841001.

It can be written as a sum of positive squares in 2 ways, for example, as 96334225 + 3814209 = 9815^2 + 1953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100148399 and 100148408.

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 3 ways as a sum of consecutive naturals, for example, 24847 + ... + 28594.

Almost surely, 2^100148434 is an apocalyptic number.

100148434 is a deficient number, since it is larger than the sum of its proper divisors (50237354).

100148434 is an equidigital number, since it uses as much as digits as its factorization.

100148434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54380.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 100148434 is about 10007.4189479606. The cubic root of 100148434 is about 464.3884263577.

Adding to 100148434 its reverse (434841001), we get a palindrome (534989435).

The spelling of 100148434 in words is "one hundred million, one hundred forty-eight thousand, four hundred thirty-four".