845590146 has 8 divisors (see below), whose sum is σ = 1691180304. Its totient is φ = 281863380.

The previous prime is 845590121. The next prime is 845590169. The reversal of 845590146 is 641095548.

It is a sphenic number, since it is the product of 3 distinct primes.

845590146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 845590098 and 845590107.

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, 70465840 + ... + 70465851.

It is an arithmetic number, because the mean of its divisors is an integer number (211397538).

Almost surely, 2^845590146 is an apocalyptic number.

845590146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845590146 is a wasteful number, since it uses less digits than its factorization.

845590146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140931696.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 845590146 is about 29079.0327555784. The cubic root of 845590146 is about 945.6272334304.

The spelling of 845590146 in words is "eight hundred forty-five million, five hundred ninety thousand, one hundred forty-six".