145594998 has 12 divisors (see below), whose sum is σ = 315455868. Its totient is φ = 48531660.

The previous prime is 145594997. The next prime is 145595029. The reversal of 145594998 is 899495541.

145594998 is a `hidden beast` number, since 1 + 45 + 594 + 9 + 9 + 8 = 666.

145594998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145594997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4044288 + ... + 4044323.

It is an arithmetic number, because the mean of its divisors is an integer number (26287989).

Almost surely, 2^145594998 is an apocalyptic number.

145594998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145594998 is an abundant number, since it is smaller than the sum of its proper divisors (169860870).

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

145594998 is a wasteful number, since it uses less digits than its factorization.

145594998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088619 (or 8088616 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 145594998 is about 12066.2752330618. The cubic root of 145594998 is about 526.0763983736.

The spelling of 145594998 in words is "one hundred forty-five million, five hundred ninety-four thousand, nine hundred ninety-eight".