46889145 has 32 divisors (see below), whose sum is σ = 88266240. Its totient is φ = 23535360.

The previous prime is 46889123. The next prime is 46889147. The reversal of 46889145 is 54198864.

It is not a de Polignac number, because 46889145 - 2⁵ = 46889113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 46889145.

It is not an unprimeable number, because it can be changed into a prime (46889147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7921 + ... + 12510.

It is an arithmetic number, because the mean of its divisors is an integer number (2758320).

Almost surely, 2^46889145 is an apocalyptic number.

46889145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

46889145 is a deficient number, since it is larger than the sum of its proper divisors (41377095).

46889145 is a wasteful number, since it uses less digits than its factorization.

46889145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462 (or 20456 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 46889145 is about 6847.5648956399. The cubic root of 46889145 is about 360.5986566986.

The spelling of 46889145 in words is "forty-six million, eight hundred eighty-nine thousand, one hundred forty-five".