45803987 has 4 divisors (see below), whose sum is σ = 46869240. Its totient is φ = 44738736.

The previous prime is 45803981. The next prime is 45803993. The reversal of 45803987 is 78930854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78930854 = 2 ⋅39465427.

It is an interprime number because it is at equal distance from previous prime (45803981) and next prime (45803993).

It is a cyclic number.

It is not a de Polignac number, because 45803987 - 2¹⁰ = 45802963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45803981) 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, 532562 + ... + 532647.

It is an arithmetic number, because the mean of its divisors is an integer number (11717310).

Almost surely, 2^45803987 is an apocalyptic number.

45803987 is a deficient number, since it is larger than the sum of its proper divisors (1065253).

45803987 is a wasteful number, since it uses less digits than its factorization.

45803987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065252.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 45803987 is about 6767.8642864644. The cubic root of 45803987 is about 357.7951321013.

The spelling of 45803987 in words is "forty-five million, eight hundred three thousand, nine hundred eighty-seven".