105142092 has 24 divisors (see below), whose sum is σ = 267634752. Its totient is φ = 31861200.

The previous prime is 105142073. The next prime is 105142099. The reversal of 105142092 is 290241501.

It is a super-2 number, since 2×105142092² = 22109719020272928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105142099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398134 + ... + 398397.

It is an arithmetic number, because the mean of its divisors is an integer number (11151448).

Almost surely, 2^105142092 is an apocalyptic number.

105142092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105142092 is an abundant number, since it is smaller than the sum of its proper divisors (162492660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105142092 is a wasteful number, since it uses less digits than its factorization.

105142092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796549 (or 796547 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 105142092 is about 10253.8818015423. The cubic root of 105142092 is about 471.9821105448.

Adding to 105142092 its reverse (290241501), we get a palindrome (395383593).

The spelling of 105142092 in words is "one hundred five million, one hundred forty-two thousand, ninety-two".