46001645 has 4 divisors (see below), whose sum is σ = 55201980. Its totient is φ = 36801312.

The previous prime is 46001639. The next prime is 46001647. The reversal of 46001645 is 54610064.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 38700841 = 2702^2 + 6221^2 .

It is a cyclic number.

It is not a de Polignac number, because 46001645 - 2¹⁶ = 45936109 is a prime.

It is a super-3 number, since 3×46001645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46001647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600160 + ... + 4600169.

It is an arithmetic number, because the mean of its divisors is an integer number (13800495).

Almost surely, 2^46001645 is an apocalyptic number.

It is an amenable number.

46001645 is a deficient number, since it is larger than the sum of its proper divisors (9200335).

46001645 is an equidigital number, since it uses as much as digits as its factorization.

46001645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200334.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 46001645 is about 6782.4512530500. The cubic root of 46001645 is about 358.3090581476.

The spelling of 46001645 in words is "forty-six million, one thousand, six hundred forty-five".