145045398 has 8 divisors (see below), whose sum is σ = 290090808. Its totient is φ = 48348464.

The previous prime is 145045339. The next prime is 145045451. The reversal of 145045398 is 893540541.

145045398 is digitally balanced in base 2 and base 3, because in such bases 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.

145045398 is an admirable number.

It is a Curzon number.

It is a congruent 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, 12087111 + ... + 12087122.

It is an arithmetic number, because the mean of its divisors is an integer number (36261351).

Almost surely, 2^145045398 is an apocalyptic number.

145045398 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.

145045398 is a wasteful number, since it uses less digits than its factorization.

145045398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24174238.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 145045398 is about 12043.4794806152. The cubic root of 145045398 is about 525.4136096621.

The spelling of 145045398 in words is "one hundred forty-five million, forty-five thousand, three hundred ninety-eight".