145788906 has 16 divisors (see below), whose sum is σ = 308729664. Its totient is φ = 45737664.

The previous prime is 145788883. The next prime is 145788911. The reversal of 145788906 is 609887541.

145788906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145788906² = 42508810225353672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714550 + ... + 714753.

It is an arithmetic number, because the mean of its divisors is an integer number (19295604).

Almost surely, 2^145788906 is an apocalyptic number.

145788906 is an abundant number, since it is smaller than the sum of its proper divisors (162940758).

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

145788906 is a wasteful number, since it uses less digits than its factorization.

145788906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429325.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 145788906 is about 12074.3076820164. The cubic root of 145788906 is about 526.3098431353.

The spelling of 145788906 in words is "one hundred forty-five million, seven hundred eighty-eight thousand, nine hundred six".