45988765 has 4 divisors (see below), whose sum is σ = 55186524. Its totient is φ = 36791008.

The previous prime is 45988739. The next prime is 45988771. The reversal of 45988765 is 56788954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56788954 = 2 ⋅28394477.

It can be written as a sum of positive squares in 2 ways, for example, as 21178404 + 24810361 = 4602^2 + 4981^2 .

It is a cyclic number.

It is not a de Polignac number, because 45988765 - 2⁷ = 45988637 is a prime.

It is a super-2 number, since 2×45988765² = 4229933012450450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598872 + ... + 4598881.

It is an arithmetic number, because the mean of its divisors is an integer number (13796631).

Almost surely, 2^45988765 is an apocalyptic number.

It is an amenable number.

45988765 is a deficient number, since it is larger than the sum of its proper divisors (9197759).

45988765 is an equidigital number, since it uses as much as digits as its factorization.

45988765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197758.

The product of its digits is 2419200, while the sum is 52.

The square root of 45988765 is about 6781.5016773573. The cubic root of 45988765 is about 358.2756140432.

The spelling of 45988765 in words is "forty-five million, nine hundred eighty-eight thousand, seven hundred sixty-five".