46421556145 has 4 divisors (see below), whose sum is σ = 55705867380. Its totient is φ = 37137244912.

The previous prime is 46421556119. The next prime is 46421556169. The reversal of 46421556145 is 54165512464.

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 13168939536 + 33252616609 = 114756^2 + 182353^2 .

It is a cyclic number.

It is not a de Polignac number, because 46421556145 - 2⁷ = 46421556017 is a prime.

It is a super-2 number, since 2×46421556145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642155610 + ... + 4642155619.

It is an arithmetic number, because the mean of its divisors is an integer number (13926466845).

Almost surely, 2^46421556145 is an apocalyptic number.

It is an amenable number.

46421556145 is a deficient number, since it is larger than the sum of its proper divisors (9284311235).

46421556145 is an equidigital number, since it uses as much as digits as its factorization.

46421556145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284311234.

The product of its digits is 576000, while the sum is 43.

The spelling of 46421556145 in words is "forty-six billion, four hundred twenty-one million, five hundred fifty-six thousand, one hundred forty-five".