101545044078 has 32 divisors (see below), whose sum is σ = 209020694400. Its totient is φ = 32873738336.

The previous prime is 101545044067. The next prime is 101545044089. The reversal of 101545044078 is 870440545101.

It is an interprime number because it is at equal distance from previous prime (101545044067) and next prime (101545044089).

It is a super-2 number, since 2×101545044078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698633 + ... + 1757396.

It is an arithmetic number, because the mean of its divisors is an integer number (6531896700).

Almost surely, 2^101545044078 is an apocalyptic number.

101545044078 is an abundant number, since it is smaller than the sum of its proper divisors (107475650322).

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

101545044078 is a wasteful number, since it uses less digits than its factorization.

101545044078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456176.

The product of its (nonzero) digits is 89600, while the sum is 39.

Adding to 101545044078 its reverse (870440545101), we get a palindrome (971985589179).

The spelling of 101545044078 in words is "one hundred one billion, five hundred forty-five million, forty-four thousand, seventy-eight".