45815101 has 4 divisors (see below), whose sum is σ = 45866304. Its totient is φ = 45763900.

The previous prime is 45815089. The next prime is 45815111. The reversal of 45815101 is 10151854.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10151854 = 2 ⋅5075927.

It is a cyclic number.

It is not a de Polignac number, because 45815101 - 2¹⁵ = 45782333 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 (45815111) 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, 24235 + ... + 26056.

It is an arithmetic number, because the mean of its divisors is an integer number (11466576).

Almost surely, 2^45815101 is an apocalyptic number.

It is an amenable number.

45815101 is a deficient number, since it is larger than the sum of its proper divisors (51203).

45815101 is an equidigital number, since it uses as much as digits as its factorization.

45815101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51202.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 45815101 is about 6768.6853228674. The cubic root of 45815101 is about 357.8240685453.

Adding to 45815101 its reverse (10151854), we get a palindrome (55966955).

The spelling of 45815101 in words is "forty-five million, eight hundred fifteen thousand, one hundred one".