106421463545 has 4 divisors (see below), whose sum is σ = 127705756260. Its totient is φ = 85137170832.

The previous prime is 106421463497. The next prime is 106421463613. The reversal of 106421463545 is 545364124601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23650748944 + 82770714601 = 153788^2 + 287699^2 .

It is a cyclic number.

It is not a de Polignac number, because 106421463545 - 2¹² = 106421459449 is a prime.

It is a super-2 number, since 2×106421463545² (a number of 23 digits) contains 22 as substring.

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, 10642146350 + ... + 10642146359.

It is an arithmetic number, because the mean of its divisors is an integer number (31926439065).

Almost surely, 2^106421463545 is an apocalyptic number.

It is an amenable number.

106421463545 is a deficient number, since it is larger than the sum of its proper divisors (21284292715).

106421463545 is an equidigital number, since it uses as much as digits as its factorization.

106421463545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21284292714.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 106421463545 in words is "one hundred six billion, four hundred twenty-one million, four hundred sixty-three thousand, five hundred forty-five".