145664170 has 16 divisors (see below), whose sum is σ = 265356000. Its totient is φ = 57563344.

The previous prime is 145664161. The next prime is 145664171. The reversal of 145664170 is 71466541.

It is not an unprimeable number, because it can be changed into a prime (145664171) 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, 86920 + ... + 88579.

It is an arithmetic number, because the mean of its divisors is an integer number (16584750).

Almost surely, 2^145664170 is an apocalyptic number.

145664170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145664170 is a deficient number, since it is larger than the sum of its proper divisors (119691830).

145664170 is a wasteful number, since it uses less digits than its factorization.

145664170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175589.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 145664170 is about 12069.1412287702. The cubic root of 145664170 is about 526.1596979277.

The spelling of 145664170 in words is "one hundred forty-five million, six hundred sixty-four thousand, one hundred seventy".