145168699 has 8 divisors (see below), whose sum is σ = 158669840. Its totient is φ = 132001056.

The previous prime is 145168687. The next prime is 145168703. The reversal of 145168699 is 996861541.

145168699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145168699 - 2²⁵ = 111614267 is a prime.

It is a super-3 number, since 3×145168699³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145168619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82464 + ... + 84205.

It is an arithmetic number, because the mean of its divisors is an integer number (19833730).

Almost surely, 2^145168699 is an apocalyptic number.

145168699 is a deficient number, since it is larger than the sum of its proper divisors (13501141).

145168699 is a wasteful number, since it uses less digits than its factorization.

145168699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166749.

The product of its digits is 466560, while the sum is 49.

The square root of 145168699 is about 12048.5973872480. The cubic root of 145168699 is about 525.5624496706.

The spelling of 145168699 in words is "one hundred forty-five million, one hundred sixty-eight thousand, six hundred ninety-nine".