100206406154 has 4 divisors (see below), whose sum is σ = 150309609234. Its totient is φ = 50103203076.

The previous prime is 100206406147. The next prime is 100206406169. The reversal of 100206406154 is 451604602001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80470370929 + 19736035225 = 283673^2 + 140485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25051601537 + ... + 25051601540.

Almost surely, 2^100206406154 is an apocalyptic number.

100206406154 is a deficient number, since it is larger than the sum of its proper divisors (50103203080).

100206406154 is an equidigital number, since it uses as much as digits as its factorization.

100206406154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50103203079.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 100206406154 in words is "one hundred billion, two hundred six million, four hundred six thousand, one hundred fifty-four".