146036421 has 12 divisors (see below), whose sum is σ = 213913440. Its totient is φ = 95985960.

The previous prime is 146036353. The next prime is 146036437. The reversal of 146036421 is 124630641.

146036421 is a `hidden beast` number, since 14 + 6 + 0 + 3 + 642 + 1 = 666.

It is not a de Polignac number, because 146036421 - 2¹⁰ = 146035397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146036491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113631 + ... + 114908.

It is an arithmetic number, because the mean of its divisors is an integer number (17826120).

Almost surely, 2^146036421 is an apocalyptic number.

It is an amenable number.

146036421 is a deficient number, since it is larger than the sum of its proper divisors (67877019).

146036421 is a wasteful number, since it uses less digits than its factorization.

146036421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228616 (or 228613 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 146036421 is about 12084.5529913191. The cubic root of 146036421 is about 526.6075245148.

The spelling of 146036421 in words is "one hundred forty-six million, thirty-six thousand, four hundred twenty-one".