145607693 has 16 divisors (see below), whose sum is σ = 184619520. Its totient is φ = 111534000.

The previous prime is 145607677. The next prime is 145607711. The reversal of 145607693 is 396706541.

It is a cyclic number.

It is not a de Polignac number, because 145607693 - 2⁴ = 145607677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145607693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145607603) 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 15 ways as a sum of consecutive naturals, for example, 11483 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (11538720).

Almost surely, 2^145607693 is an apocalyptic number.

It is an amenable number.

145607693 is a deficient number, since it is larger than the sum of its proper divisors (39011827).

145607693 is a wasteful number, since it uses less digits than its factorization.

145607693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 145607693 is about 12066.8012745715. The cubic root of 145607693 is about 526.0916881520.

The spelling of 145607693 in words is "one hundred forty-five million, six hundred seven thousand, six hundred ninety-three".