145906866 has 32 divisors (see below), whose sum is σ = 370558080. Its totient is φ = 41687568.

The previous prime is 145906853. The next prime is 145906879. The reversal of 145906866 is 668609541.

It is an interprime number because it is at equal distance from previous prime (145906853) and next prime (145906879).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192621 + ... + 193376.

It is an arithmetic number, because the mean of its divisors is an integer number (11579940).

Almost surely, 2^145906866 is an apocalyptic number.

145906866 is an abundant number, since it is smaller than the sum of its proper divisors (224651214).

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

145906866 is a wasteful number, since it uses less digits than its factorization.

145906866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386015 (or 386009 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 145906866 is about 12079.1914464504. The cubic root of 145906866 is about 526.4517532757.

The spelling of 145906866 in words is "one hundred forty-five million, nine hundred six thousand, eight hundred sixty-six".