145535018 has 8 divisors (see below), whose sum is σ = 225344640. Its totient is φ = 70420140.

The previous prime is 145535009. The next prime is 145535051. The reversal of 145535018 is 810535541.

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

It is a super-4 number, since 4×145535018⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173608 + ... + 1173731.

It is an arithmetic number, because the mean of its divisors is an integer number (28168080).

Almost surely, 2^145535018 is an apocalyptic number.

145535018 is a deficient number, since it is larger than the sum of its proper divisors (79809622).

145535018 is a wasteful number, since it uses less digits than its factorization.

145535018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347372.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 145535018 is about 12063.7895372889. The cubic root of 145535018 is about 526.0041468154.

The spelling of 145535018 in words is "one hundred forty-five million, five hundred thirty-five thousand, eighteen".