101555451445 has 32 divisors (see below), whose sum is σ = 147615782400. Its totient is φ = 65476325376.

The previous prime is 101555451443. The next prime is 101555451467. The reversal of 101555451445 is 544154555101.

It is a happy number.

It is not a de Polignac number, because 101555451445 - 2¹ = 101555451443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101555451398 and 101555451407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101555451443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515776 + ... + 684934.

It is an arithmetic number, because the mean of its divisors is an integer number (4612993200).

Almost surely, 2^101555451445 is an apocalyptic number.

It is an amenable number.

101555451445 is a deficient number, since it is larger than the sum of its proper divisors (46060330955).

101555451445 is a wasteful number, since it uses less digits than its factorization.

101555451445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170197.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 101555451445 in words is "one hundred one billion, five hundred fifty-five million, four hundred fifty-one thousand, four hundred forty-five".