105142250199 has 32 divisors (see below), whose sum is σ = 169939745280. Its totient is φ = 56447603712.

The previous prime is 105142250119. The next prime is 105142250201. The reversal of 105142250199 is 991052241501.

It is a happy number.

It is not a de Polignac number, because 105142250199 - 2¹² = 105142246103 is a prime.

It is a super-2 number, since 2×105142250199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105142250119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55669 + ... + 461934.

It is an arithmetic number, because the mean of its divisors is an integer number (5310617040).

Almost surely, 2^105142250199 is an apocalyptic number.

105142250199 is a deficient number, since it is larger than the sum of its proper divisors (64797495081).

105142250199 is a wasteful number, since it uses less digits than its factorization.

105142250199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518199.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 105142250199 in words is "one hundred five billion, one hundred forty-two million, two hundred fifty thousand, one hundred ninety-nine".