101040140545 has 16 divisors (see below), whose sum is σ = 123373019520. Its totient is φ = 79417096704.

The previous prime is 101040140521. The next prime is 101040140549. The reversal of 101040140545 is 545041040101.

It is a cyclic number.

It is not a de Polignac number, because 101040140545 - 2¹¹ = 101040138497 is a prime.

It is a super-2 number, since 2×101040140545² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101040140549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429937 + ... + 622033.

It is an arithmetic number, because the mean of its divisors is an integer number (7710813720).

Almost surely, 2^101040140545 is an apocalyptic number.

It is an amenable number.

101040140545 is a deficient number, since it is larger than the sum of its proper divisors (22332878975).

101040140545 is a wasteful number, since it uses less digits than its factorization.

101040140545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193944.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 101040140545 its reverse (545041040101), we get a palindrome (646081180646).

The spelling of 101040140545 in words is "one hundred one billion, forty million, one hundred forty thousand, five hundred forty-five".