45140101 has 4 divisors (see below), whose sum is σ = 45158400. Its totient is φ = 45121804.

The previous prime is 45140093. The next prime is 45140113. The reversal of 45140101 is 10104154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45140101 - 2³ = 45140093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4741 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (11289600).

Almost surely, 2^45140101 is an apocalyptic number.

It is an amenable number.

45140101 is a deficient number, since it is larger than the sum of its proper divisors (18299).

45140101 is a wasteful number, since it uses less digits than its factorization.

45140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18298.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 45140101 is about 6718.6383293045. The cubic root of 45140101 is about 356.0580771512.

Adding to 45140101 its reverse (10104154), we get a palindrome (55244255).

The spelling of 45140101 in words is "forty-five million, one hundred forty thousand, one hundred one".