105142452 has 48 divisors (see below), whose sum is σ = 254822400. Its totient is φ = 33706080.

The previous prime is 105142451. The next prime is 105142463. The reversal of 105142452 is 254241501.

It is a super-2 number, since 2×105142452² = 22109870425144608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105142451) 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 15 ways as a sum of consecutive naturals, for example, 65799 + ... + 67377.

It is an arithmetic number, because the mean of its divisors is an integer number (5308800).

Almost surely, 2^105142452 is an apocalyptic number.

105142452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105142452 is an abundant number, since it is smaller than the sum of its proper divisors (149679948).

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

105142452 is a wasteful number, since it uses less digits than its factorization.

105142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 105142452 is about 10253.8993558548. The cubic root of 105142452 is about 471.9826492233.

Adding to 105142452 its reverse (254241501), we get a palindrome (359383953).

The spelling of 105142452 in words is "one hundred five million, one hundred forty-two thousand, four hundred fifty-two".