145868799 has 8 divisors (see below), whose sum is σ = 194647552. Its totient is φ = 97167960.

The previous prime is 145868761. The next prime is 145868803. The reversal of 145868799 is 997868541.

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

It is not a de Polignac number, because 145868799 - 2¹¹ = 145866751 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 (145868729) 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, 14959 + ... + 22704.

It is an arithmetic number, because the mean of its divisors is an integer number (24330944).

Almost surely, 2^145868799 is an apocalyptic number.

145868799 is a deficient number, since it is larger than the sum of its proper divisors (48778753).

145868799 is a wasteful number, since it uses less digits than its factorization.

145868799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38957.

The product of its digits is 4354560, while the sum is 57.

The square root of 145868799 is about 12077.6156173311. The cubic root of 145868799 is about 526.4059656613.

The spelling of 145868799 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, seven hundred ninety-nine".