145998118 has 8 divisors (see below), whose sum is σ = 250282512. Its totient is φ = 62570616.

The previous prime is 145998107. The next prime is 145998137. The reversal of 145998118 is 811899541.

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

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, 5214205 + ... + 5214232.

It is an arithmetic number, because the mean of its divisors is an integer number (31285314).

Almost surely, 2^145998118 is an apocalyptic number.

145998118 is a deficient number, since it is larger than the sum of its proper divisors (104284394).

145998118 is a wasteful number, since it uses less digits than its factorization.

145998118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428446.

The product of its digits is 103680, while the sum is 46.

The square root of 145998118 is about 12082.9680956295. The cubic root of 145998118 is about 526.5614802664.

The spelling of 145998118 in words is "one hundred forty-five million, nine hundred ninety-eight thousand, one hundred eighteen".