145363693 has 4 divisors (see below), whose sum is σ = 148744288. Its totient is φ = 141983100.

The previous prime is 145363679. The next prime is 145363709. The reversal of 145363693 is 396363541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145363693 - 2⁹ = 145363181 is a prime.

It is a super-2 number, since 2×145363693² = 42261206485196498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145363643) 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 3 ways as a sum of consecutive naturals, for example, 1690233 + ... + 1690318.

It is an arithmetic number, because the mean of its divisors is an integer number (37186072).

Almost surely, 2^145363693 is an apocalyptic number.

It is an amenable number.

145363693 is a deficient number, since it is larger than the sum of its proper divisors (3380595).

145363693 is an equidigital number, since it uses as much as digits as its factorization.

145363693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380594.

The product of its digits is 174960, while the sum is 40.

The square root of 145363693 is about 12056.6866509833. The cubic root of 145363693 is about 525.7976603233.

The spelling of 145363693 in words is "one hundred forty-five million, three hundred sixty-three thousand, six hundred ninety-three".