101002401545 has 4 divisors (see below), whose sum is σ = 121202881860. Its totient is φ = 80801921232.

The previous prime is 101002401541. The next prime is 101002401551. The reversal of 101002401545 is 545104200101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545104200101 = 59 ⋅9239054239.

It can be written as a sum of positive squares in 2 ways, for example, as 16337696761 + 84664704784 = 127819^2 + 290972^2 .

It is a cyclic number.

It is not a de Polignac number, because 101002401545 - 2² = 101002401541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101002401545.

It is not an unprimeable number, because it can be changed into a prime (101002401541) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10100240150 + ... + 10100240159.

It is an arithmetic number, because the mean of its divisors is an integer number (30300720465).

Almost surely, 2^101002401545 is an apocalyptic number.

It is an amenable number.

101002401545 is a deficient number, since it is larger than the sum of its proper divisors (20200480315).

101002401545 is an equidigital number, since it uses as much as digits as its factorization.

101002401545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200480314.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 101002401545 its reverse (545104200101), we get a palindrome (646106601646).

The spelling of 101002401545 in words is "one hundred one billion, two million, four hundred one thousand, five hundred forty-five".