100147538 has 4 divisors (see below), whose sum is σ = 150221310. Its totient is φ = 50073768.

The previous prime is 100147477. The next prime is 100147573. The reversal of 100147538 is 835741001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835741001 = 14107 ⋅59243.

It can be written as a sum of positive squares in only one way, i.e., 94031809 + 6115729 = 9697^2 + 2473^2 .

It is a super-2 number, since 2×100147538² = 20059058734922888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100147538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25036883 + ... + 25036886.

Almost surely, 2^100147538 is an apocalyptic number.

100147538 is a deficient number, since it is larger than the sum of its proper divisors (50073772).

100147538 is an equidigital number, since it uses as much as digits as its factorization.

100147538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50073771.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 100147538 is about 10007.3741810727. The cubic root of 100147538 is about 464.3870414359.

Adding to 100147538 its reverse (835741001), we get a palindrome (935888539).

The spelling of 100147538 in words is "one hundred million, one hundred forty-seven thousand, five hundred thirty-eight".