145670888 has 32 divisors (see below), whose sum is σ = 300132000. Its totient is φ = 65732160.

The previous prime is 145670881. The next prime is 145670911. The reversal of 145670888 is 888076541.

It is a happy number.

It is a super-2 number, since 2×145670888² = 42440015221417088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145670881) 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, 6278 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (9379125).

Almost surely, 2^145670888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145670888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150066000).

145670888 is an abundant number, since it is smaller than the sum of its proper divisors (154461112).

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

145670888 is a wasteful number, since it uses less digits than its factorization.

145670888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065 (or 12061 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 145670888 is about 12069.4195386522. The cubic root of 145670888 is about 526.1677865938.

The spelling of 145670888 in words is "one hundred forty-five million, six hundred seventy thousand, eight hundred eighty-eight".