45102761 has 4 divisors (see below), whose sum is σ = 49203024. Its totient is φ = 41002500.

The previous prime is 45102709. The next prime is 45102763. The reversal of 45102761 is 16720154.

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 de Polignac number, because none of the positive numbers 2^k-45102761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45102761.

It is not an unprimeable number, because it can be changed into a prime (45102763) 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, 2050115 + ... + 2050136.

It is an arithmetic number, because the mean of its divisors is an integer number (12300756).

Almost surely, 2^45102761 is an apocalyptic number.

It is an amenable number.

45102761 is a deficient number, since it is larger than the sum of its proper divisors (4100263).

45102761 is a wasteful number, since it uses less digits than its factorization.

45102761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100262.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 45102761 is about 6715.8589175176. The cubic root of 45102761 is about 355.9598727022.

The spelling of 45102761 in words is "forty-five million, one hundred two thousand, seven hundred sixty-one".