46149509 has 16 divisors (see below), whose sum is σ = 56563200. Its totient is φ = 36751104.

The previous prime is 46149497. The next prime is 46149511. The reversal of 46149509 is 90594164.

It is a cyclic number.

It is not a de Polignac number, because 46149509 - 2¹² = 46145413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46149589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6947 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (3535200).

Almost surely, 2^46149509 is an apocalyptic number.

It is an amenable number.

46149509 is a deficient number, since it is larger than the sum of its proper divisors (10413691).

46149509 is a wasteful number, since it uses less digits than its factorization.

46149509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 46149509 is about 6793.3429914881. The cubic root of 46149509 is about 358.6925541853.

The spelling of 46149509 in words is "forty-six million, one hundred forty-nine thousand, five hundred nine".