46545421 has 8 divisors (see below), whose sum is σ = 52764320. Its totient is φ = 40703472.

The previous prime is 46545419. The next prime is 46545437. The reversal of 46545421 is 12454564.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46545421 - 2¹ = 46545419 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 (46545451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93975 + ... + 94468.

It is an arithmetic number, because the mean of its divisors is an integer number (6595540).

Almost surely, 2^46545421 is an apocalyptic number.

It is an amenable number.

46545421 is a deficient number, since it is larger than the sum of its proper divisors (6218899).

46545421 is a wasteful number, since it uses less digits than its factorization.

46545421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188475.

The product of its digits is 19200, while the sum is 31.

The square root of 46545421 is about 6822.4204649083. The cubic root of 46545421 is about 359.7153640021.

Adding to 46545421 its reverse (12454564), we get a palindrome (58999985).

The spelling of 46545421 in words is "forty-six million, five hundred forty-five thousand, four hundred twenty-one".