101545213444 has 6 divisors (see below), whose sum is σ = 177704123534. Its totient is φ = 50772606720.

The previous prime is 101545213409. The next prime is 101545213507. The reversal of 101545213444 is 444312545101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97945213444 + 3600000000 = 312962^2 + 60000^2 .

It is a super-2 number, since 2×101545213444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12693151677 + ... + 12693151684.

Almost surely, 2^101545213444 is an apocalyptic number.

It is an amenable number.

101545213444 is a deficient number, since it is larger than the sum of its proper divisors (76158910090).

101545213444 is a wasteful number, since it uses less digits than its factorization.

101545213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25386303365 (or 25386303363 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 101545213444 its reverse (444312545101), we get a palindrome (545857758545).

The spelling of 101545213444 in words is "one hundred one billion, five hundred forty-five million, two hundred thirteen thousand, four hundred forty-four".