105421614542 has 8 divisors (see below), whose sum is σ = 158703297816. Its totient is φ = 52520515272.

The previous prime is 105421614539. The next prime is 105421614587. The reversal of 105421614542 is 245416124501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105421614542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95145308 + ... + 95146415.

It is an arithmetic number, because the mean of its divisors is an integer number (19837912227).

Almost surely, 2^105421614542 is an apocalyptic number.

105421614542 is a deficient number, since it is larger than the sum of its proper divisors (53281683274).

105421614542 is a wasteful number, since it uses less digits than its factorization.

105421614542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190292002.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 105421614542 in words is "one hundred five billion, four hundred twenty-one million, six hundred fourteen thousand, five hundred forty-two".