105430152534442 has 4 divisors (see below), whose sum is σ = 158145228801666. Its totient is φ = 52715076267220.

The previous prime is 105430152534299. The next prime is 105430152534461. The reversal of 105430152534442 is 244435251034501.

It is a happy number.

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., 105258797104041 + 171355430401 = 10259571^2 + 413951^2 .

It is a super-2 number, since 2×105430152534442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26357538133609 + ... + 26357538133612.

Almost surely, 2^{105430152534442} is an apocalyptic number.

105430152534442 is a deficient number, since it is larger than the sum of its proper divisors (52715076267224).

105430152534442 is an equidigital number, since it uses as much as digits as its factorization.

105430152534442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52715076267223.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 105430152534442 in words is "one hundred five trillion, four hundred thirty billion, one hundred fifty-two million, five hundred thirty-four thousand, four hundred forty-two".