105154131 has 4 divisors (see below), whose sum is σ = 140205512. Its totient is φ = 70102752.

The previous prime is 105154103. The next prime is 105154157. The reversal of 105154131 is 131451501.

It is a happy number.

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

It is not a de Polignac number, because 105154131 - 2⁵ = 105154099 is a prime.

It is a super-2 number, since 2×105154131² = 22114782532730322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105154098 and 105154107.

It is not an unprimeable number, because it can be changed into a prime (105154831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17525686 + ... + 17525691.

It is an arithmetic number, because the mean of its divisors is an integer number (35051378).

Almost surely, 2^105154131 is an apocalyptic number.

105154131 is a deficient number, since it is larger than the sum of its proper divisors (35051381).

105154131 is an equidigital number, since it uses as much as digits as its factorization.

105154131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35051380.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 105154131 is about 10254.4688307099. The cubic root of 105154131 is about 472.0001241860. Note that the first 3 decimals are identical.

The spelling of 105154131 in words is "one hundred five million, one hundred fifty-four thousand, one hundred thirty-one".