145810693 has 16 divisors (see below), whose sum is σ = 178040320. Its totient is φ = 116628336.

The previous prime is 145810681. The next prime is 145810703. The reversal of 145810693 is 396018541.

It is a cyclic number.

It is not a de Polignac number, because 145810693 - 2⁵ = 145810661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145810603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 17092.

It is an arithmetic number, because the mean of its divisors is an integer number (11127520).

Almost surely, 2^145810693 is an apocalyptic number.

It is an amenable number.

145810693 is a deficient number, since it is larger than the sum of its proper divisors (32229627).

145810693 is a wasteful number, since it uses less digits than its factorization.

145810693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 145810693 is about 12075.2098532489. The cubic root of 145810693 is about 526.3360594451.

The spelling of 145810693 in words is "one hundred forty-five million, eight hundred ten thousand, six hundred ninety-three".