46649945 has 4 divisors (see below), whose sum is σ = 55979940. Its totient is φ = 37319952.

The previous prime is 46649927. The next prime is 46649971. The reversal of 46649945 is 54994664.

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 14523721 + 32126224 = 3811^2 + 5668^2 .

It is a cyclic number.

It is not a de Polignac number, because 46649945 - 2¹² = 46645849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46649945.

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, 4664990 + ... + 4664999.

It is an arithmetic number, because the mean of its divisors is an integer number (13994985).

Almost surely, 2^46649945 is an apocalyptic number.

It is an amenable number.

46649945 is a deficient number, since it is larger than the sum of its proper divisors (9329995).

46649945 is an equidigital number, since it uses as much as digits as its factorization.

46649945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329994.

The product of its digits is 933120, while the sum is 47.

The square root of 46649945 is about 6830.0765003036. The cubic root of 46649945 is about 359.9844257666.

The spelling of 46649945 in words is "forty-six million, six hundred forty-nine thousand, nine hundred forty-five".