145368069 has 48 divisors (see below), whose sum is σ = 256381440. Its totient is φ = 71517600.

The previous prime is 145368053. The next prime is 145368089. The reversal of 145368069 is 960863541.

It is not a de Polignac number, because 145368069 - 2⁴ = 145368053 is a prime.

It is a super-2 number, since 2×145368069² = 42263750969577522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145368069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145368049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46774 + ... + 49784.

It is an arithmetic number, because the mean of its divisors is an integer number (5341280).

Almost surely, 2^145368069 is an apocalyptic number.

145368069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

145368069 is a deficient number, since it is larger than the sum of its proper divisors (111013371).

145368069 is a wasteful number, since it uses less digits than its factorization.

145368069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 145368069 is about 12056.8681256784. The cubic root of 145368069 is about 525.8029364401.

The spelling of 145368069 in words is "one hundred forty-five million, three hundred sixty-eight thousand, sixty-nine".