46421145 has 24 divisors (see below), whose sum is σ = 80623296. Its totient is φ = 24708768.

The previous prime is 46421129. The next prime is 46421147. The reversal of 46421145 is 54112464.

46421145 is a `hidden beast` number, since 4 + 642 + 1 + 14 + 5 = 666.

It is not a de Polignac number, because 46421145 - 2⁴ = 46421129 is a prime.

It is a super-2 number, since 2×46421145² = 4309845406222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46421147) 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 23 ways as a sum of consecutive naturals, for example, 39334 + ... + 40496.

It is an arithmetic number, because the mean of its divisors is an integer number (3359304).

Almost surely, 2^46421145 is an apocalyptic number.

46421145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

46421145 is a deficient number, since it is larger than the sum of its proper divisors (34202151).

46421145 is a wasteful number, since it uses less digits than its factorization.

46421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2058 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 46421145 is about 6813.3064660266. The cubic root of 46421145 is about 359.3949326814.

It can be divided in two parts, 464 and 21145, that added together give a square (21609 = 147²).

The spelling of 46421145 in words is "forty-six million, four hundred twenty-one thousand, one hundred forty-five".