145012018 has 8 divisors (see below), whose sum is σ = 220497948. Its totient is φ = 71512704.

The previous prime is 145012013. The next prime is 145012037. The reversal of 145012018 is 810210541.

It can be written as a sum of positive squares in 2 ways, for example, as 144408289 + 603729 = 12017^2 + 777^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 145012018.

It is not an unprimeable number, because it can be changed into a prime (145012013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496471 + ... + 496762.

Almost surely, 2^145012018 is an apocalyptic number.

145012018 is a deficient number, since it is larger than the sum of its proper divisors (75485930).

145012018 is an equidigital number, since it uses as much as digits as its factorization.

145012018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993308.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 145012018 is about 12042.0935887411. The cubic root of 145012018 is about 525.3733012435.

Adding to 145012018 its reverse (810210541), we get a palindrome (955222559).

The spelling of 145012018 in words is "one hundred forty-five million, twelve thousand, eighteen".