46820545 has 4 divisors (see below), whose sum is σ = 56184660. Its totient is φ = 37456432.

The previous prime is 46820539. The next prime is 46820569. The reversal of 46820545 is 54502864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 17313921 = 5432^2 + 4161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46820545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46820545.

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, 4682050 + ... + 4682059.

It is an arithmetic number, because the mean of its divisors is an integer number (14046165).

Almost surely, 2^46820545 is an apocalyptic number.

It is an amenable number.

46820545 is a deficient number, since it is larger than the sum of its proper divisors (9364115).

46820545 is an equidigital number, since it uses as much as digits as its factorization.

46820545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364114.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 46820545 is about 6842.5539822496. The cubic root of 46820545 is about 360.4227158967.

The spelling of 46820545 in words is "forty-six million, eight hundred twenty thousand, five hundred forty-five".