101445664 has 24 divisors (see below), whose sum is σ = 211470588. Its totient is φ = 47738880.

The previous prime is 101445629. The next prime is 101445667. The reversal of 101445664 is 466544101.

It can be written as a sum of positive squares in 2 ways, for example, as 101203600 + 242064 = 10060^2 + 492^2 .

It is not an unprimeable number, because it can be changed into a prime (101445667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92697 + ... + 93784.

Almost surely, 2^101445664 is an apocalyptic number.

It is an amenable number.

101445664 is an abundant number, since it is smaller than the sum of its proper divisors (110024924).

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

101445664 is a wasteful number, since it uses less digits than its factorization.

101445664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186508 (or 186500 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 101445664 is about 10072.0238284071. The cubic root of 101445664 is about 466.3849165488.

Adding to 101445664 its reverse (466544101), we get a palindrome (567989765).

The spelling of 101445664 in words is "one hundred one million, four hundred forty-five thousand, six hundred sixty-four".