445800148 has 12 divisors (see below), whose sum is σ = 781045972. Its totient is φ = 222644160.

The previous prime is 445800107. The next prime is 445800193. The reversal of 445800148 is 841008544.

It can be written as a sum of positive squares in 2 ways, for example, as 267257104 + 178543044 = 16348^2 + 13362^2 .

It is a congruent number.

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, 60033 + ... + 67048.

Almost surely, 2^445800148 is an apocalyptic number.

It is an amenable number.

445800148 is a deficient number, since it is larger than the sum of its proper divisors (335245824).

445800148 is a wasteful number, since it uses less digits than its factorization.

445800148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127962 (or 127960 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 445800148 is about 21113.9799185279. The cubic root of 445800148 is about 763.9179873224.

The spelling of 445800148 in words is "four hundred forty-five million, eight hundred thousand, one hundred forty-eight".