45492161 has 8 divisors (see below), whose sum is σ = 53445504. Its totient is φ = 38175120.

The previous prime is 45492143. The next prime is 45492173. The reversal of 45492161 is 16129454.

45492161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45492161 - 2¹⁰ = 45491137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45492191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158921 + ... + 159206.

It is an arithmetic number, because the mean of its divisors is an integer number (6680688).

Almost surely, 2^45492161 is an apocalyptic number.

It is an amenable number.

45492161 is a deficient number, since it is larger than the sum of its proper divisors (7953343).

45492161 is a wasteful number, since it uses less digits than its factorization.

45492161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318151.

The product of its digits is 8640, while the sum is 32.

The square root of 45492161 is about 6744.7876912472. The cubic root of 45492161 is about 356.9813458124.

It can be divided in two parts, 4549 and 2161, that multiplied together give a palindrome (9830389).

The spelling of 45492161 in words is "forty-five million, four hundred ninety-two thousand, one hundred sixty-one".