145886018 has 8 divisors (see below), whose sum is σ = 218899260. Its totient is φ = 72919600.

The previous prime is 145885997. The next prime is 145886107. The reversal of 145886018 is 810688541.

It can be written as a sum of positive squares in 2 ways, for example, as 145612489 + 273529 = 12067^2 + 523^2 .

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

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, 2453 + ... + 17256.

Almost surely, 2^145886018 is an apocalyptic number.

145886018 is a deficient number, since it is larger than the sum of its proper divisors (73013242).

145886018 is a wasteful number, since it uses less digits than its factorization.

145886018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 145886018 is about 12078.3284439528. The cubic root of 145886018 is about 526.4266779446.

The spelling of 145886018 in words is "one hundred forty-five million, eight hundred eighty-six thousand, eighteen".