145995978 has 8 divisors (see below), whose sum is σ = 291991968. Its totient is φ = 48665324.

The previous prime is 145995937. The next prime is 145995989. The reversal of 145995978 is 879599541.

145995978 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.

145995978 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12166326 + ... + 12166337.

It is an arithmetic number, because the mean of its divisors is an integer number (36498996).

Almost surely, 2^145995978 is an apocalyptic number.

145995978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145995978 is a wasteful number, since it uses less digits than its factorization.

145995978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24332668.

The product of its digits is 4082400, while the sum is 57.

The square root of 145995978 is about 12082.8795409041. The cubic root of 145995978 is about 526.5589075230.

The spelling of 145995978 in words is "one hundred forty-five million, nine hundred ninety-five thousand, nine hundred seventy-eight".