46146561 has 16 divisors (see below), whose sum is σ = 62787648. Its totient is φ = 30139200.

The previous prime is 46146553. The next prime is 46146563. The reversal of 46146561 is 16564164.

It is a happy number.

It is not a de Polignac number, because 46146561 - 2³ = 46146553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46146563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84090 + ... + 84636.

It is an arithmetic number, because the mean of its divisors is an integer number (3924228).

Almost surely, 2^46146561 is an apocalyptic number.

It is an amenable number.

46146561 is a deficient number, since it is larger than the sum of its proper divisors (16641087).

46146561 is a wasteful number, since it uses less digits than its factorization.

46146561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its digits is 17280, while the sum is 33.

The square root of 46146561 is about 6793.1260109025. The cubic root of 46146561 is about 358.6849163419.

It can be divided in two parts, 4614 and 6561, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 46146561 in words is "forty-six million, one hundred forty-six thousand, five hundred sixty-one".