145683906 has 64 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 44150400.

The previous prime is 145683899. The next prime is 145683917. The reversal of 145683906 is 609386541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331635 + ... + 332073.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^145683906 is an apocalyptic number.

145683906 is an abundant number, since it is smaller than the sum of its proper divisors (173650494).

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

145683906 is a wasteful number, since it uses less digits than its factorization.

145683906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 145683906 is about 12069.9588234592. The cubic root of 145683906 is about 526.1834599341.

The spelling of 145683906 in words is "one hundred forty-five million, six hundred eighty-three thousand, nine hundred six".