45148220446 has 12 divisors (see below), whose sum is σ = 78779037888. Its totient is φ = 19349237292.

The previous prime is 45148220389. The next prime is 45148220449. The reversal of 45148220446 is 64402284154.

It is a super-2 number, since 2×45148220446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45148220399 and 45148220408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45148220449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230347966 + ... + 230348161.

It is an arithmetic number, because the mean of its divisors is an integer number (6564919824).

Almost surely, 2^45148220446 is an apocalyptic number.

45148220446 is a deficient number, since it is larger than the sum of its proper divisors (33630817442).

45148220446 is a wasteful number, since it uses less digits than its factorization.

45148220446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460696143 (or 460696136 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 45148220446 in words is "forty-five billion, one hundred forty-eight million, two hundred twenty thousand, four hundred forty-six".