45681001 has 4 divisors (see below), whose sum is σ = 45699712. Its totient is φ = 45662292.

The previous prime is 45680983. The next prime is 45681019. The reversal of 45681001 is 10018654.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10018654 = 2 ⋅5009327.

It is an interprime number because it is at equal distance from previous prime (45680983) and next prime (45681019).

It is a cyclic number.

It is not a de Polignac number, because 45681001 - 2¹¹ = 45678953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45682001) 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, 5025 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (11424928).

Almost surely, 2^45681001 is an apocalyptic number.

It is an amenable number.

45681001 is a deficient number, since it is larger than the sum of its proper divisors (18711).

45681001 is a wasteful number, since it uses less digits than its factorization.

45681001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 45681001 is about 6758.7721518039. The cubic root of 45681001 is about 357.4746124407.

Adding to 45681001 its reverse (10018654), we get a palindrome (55699655).

The spelling of 45681001 in words is "forty-five million, six hundred eighty-one thousand, one".