145697093 has 8 divisors (see below), whose sum is σ = 147763200. Its totient is φ = 143636688.

The previous prime is 145697087. The next prime is 145697107. The reversal of 145697093 is 390796541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145697093 - 2⁴ = 145697077 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 (145697023) 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, 86780 + ... + 88442.

It is an arithmetic number, because the mean of its divisors is an integer number (18470400).

Almost surely, 2^145697093 is an apocalyptic number.

It is an amenable number.

145697093 is a deficient number, since it is larger than the sum of its proper divisors (2066107).

145697093 is a wasteful number, since it uses less digits than its factorization.

145697093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 145697093 is about 12070.5050847096. The cubic root of 145697093 is about 526.1993357943.

The spelling of 145697093 in words is "one hundred forty-five million, six hundred ninety-seven thousand, ninety-three".