45991041 has 4 divisors (see below), whose sum is σ = 61321392. Its totient is φ = 30660692.

The previous prime is 45991021. The next prime is 45991063. The reversal of 45991041 is 14019954.

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 cyclic number.

It is not a de Polignac number, because 45991041 - 2⁶ = 45990977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45990993 and 45991011.

It is not an unprimeable number, because it can be changed into a prime (45991021) 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, 7665171 + ... + 7665176.

It is an arithmetic number, because the mean of its divisors is an integer number (15330348).

Almost surely, 2^45991041 is an apocalyptic number.

It is an amenable number.

45991041 is a deficient number, since it is larger than the sum of its proper divisors (15330351).

45991041 is a wasteful number, since it uses less digits than its factorization.

45991041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330350.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 45991041 is about 6781.6694847213. The cubic root of 45991041 is about 358.2815243407.

The spelling of 45991041 in words is "forty-five million, nine hundred ninety-one thousand, forty-one".