45492761 has 4 divisors (see below), whose sum is σ = 45511524. Its totient is φ = 45474000.

The previous prime is 45492719. The next prime is 45492767. The reversal of 45492761 is 16729454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38502025 + 6990736 = 6205^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 45492761 - 2¹⁰ = 45491737 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45492767) 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, 5090 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (11377881).

Almost surely, 2^45492761 is an apocalyptic number.

It is an amenable number.

45492761 is a deficient number, since it is larger than the sum of its proper divisors (18763).

45492761 is a wasteful number, since it uses less digits than its factorization.

45492761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18762.

The product of its digits is 60480, while the sum is 38.

The square root of 45492761 is about 6744.8321698913. The cubic root of 45492761 is about 356.9829152246.

The spelling of 45492761 in words is "forty-five million, four hundred ninety-two thousand, seven hundred sixty-one".