46145661 has 16 divisors (see below), whose sum is σ = 64919040. Its totient is φ = 29075760.

The previous prime is 46145651. The next prime is 46145683. The reversal of 46145661 is 16654164.

It is a happy number.

It is not a de Polignac number, because 46145661 - 2⁵ = 46145629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46145651) 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, 35326 + ... + 36608.

It is an arithmetic number, because the mean of its divisors is an integer number (4057440).

Almost surely, 2^46145661 is an apocalyptic number.

It is an amenable number.

46145661 is a deficient number, since it is larger than the sum of its proper divisors (18773379).

46145661 is a wasteful number, since it uses less digits than its factorization.

46145661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936.

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

The square root of 46145661 is about 6793.0597671447. The cubic root of 46145661 is about 358.6825845067.

The spelling of 46145661 in words is "forty-six million, one hundred forty-five thousand, six hundred sixty-one".