46400045 has 12 divisors (see below), whose sum is σ = 56903484. Its totient is φ = 36321600.

The previous prime is 46400023. The next prime is 46400093. The reversal of 46400045 is 54000464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8491396 + 37908649 = 2914^2 + 6157^2 .

It is not a de Polignac number, because 46400045 - 2⁶ = 46399981 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8945 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (4741957).

Almost surely, 2^46400045 is an apocalyptic number.

It is an amenable number.

46400045 is a deficient number, since it is larger than the sum of its proper divisors (10503439).

46400045 is an equidigital number, since it uses as much as digits as its factorization.

46400045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 46400045 is about 6811.7578494835. The cubic root of 46400045 is about 359.3404719946.

The spelling of 46400045 in words is "forty-six million, four hundred thousand, forty-five".