145646605 has 16 divisors (see below), whose sum is σ = 189068544. Its totient is φ = 107069760.

The previous prime is 145646593. The next prime is 145646617. The reversal of 145646605 is 506646541.

It is an interprime number because it is at equal distance from previous prime (145646593) and next prime (145646617).

It is not a de Polignac number, because 145646605 - 2⁹ = 145646093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9820 + ... + 19690.

It is an arithmetic number, because the mean of its divisors is an integer number (11816784).

Almost surely, 2^145646605 is an apocalyptic number.

It is an amenable number.

145646605 is a deficient number, since it is larger than the sum of its proper divisors (43421939).

145646605 is a wasteful number, since it uses less digits than its factorization.

145646605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 145646605 is about 12068.4135245690. The cubic root of 145646605 is about 526.1385479849.

The spelling of 145646605 in words is "one hundred forty-five million, six hundred forty-six thousand, six hundred five".