145853906 has 16 divisors (see below), whose sum is σ = 239048928. Its totient is φ = 66192000.

The previous prime is 145853887. The next prime is 145853909. The reversal of 145853906 is 609358541.

It is not an unprimeable number, because it can be changed into a prime (145853909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9881 + ... + 19731.

It is an arithmetic number, because the mean of its divisors is an integer number (14940558).

Almost surely, 2^145853906 is an apocalyptic number.

145853906 is a deficient number, since it is larger than the sum of its proper divisors (93195022).

145853906 is a wasteful number, since it uses less digits than its factorization.

145853906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 145853906 is about 12076.9990477767. Note that the first 3 decimals coincide. The cubic root of 145853906 is about 526.3880499477.

The spelling of 145853906 in words is "one hundred forty-five million, eight hundred fifty-three thousand, nine hundred six".