45195771 has 4 divisors (see below), whose sum is σ = 60261032. Its totient is φ = 30130512.

The previous prime is 45195769. The next prime is 45195779. The reversal of 45195771 is 17759154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45195771 - 2¹ = 45195769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45195779) 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, 7532626 + ... + 7532631.

It is an arithmetic number, because the mean of its divisors is an integer number (15065258).

Almost surely, 2^45195771 is an apocalyptic number.

45195771 is a deficient number, since it is larger than the sum of its proper divisors (15065261).

45195771 is a wasteful number, since it uses less digits than its factorization.

45195771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065260.

The product of its digits is 44100, while the sum is 39.

The square root of 45195771 is about 6722.7800053252. The cubic root of 45195771 is about 356.2043891130.

The spelling of 45195771 in words is "forty-five million, one hundred ninety-five thousand, seven hundred seventy-one".