154445012 has 6 divisors (see below), whose sum is σ = 270278778. Its totient is φ = 77222504.

The previous prime is 154445009. The next prime is 154445041. The reversal of 154445012 is 210544451.

It can be written as a sum of positive squares in only one way, i.e., 147962896 + 6482116 = 12164^2 + 2546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19305623 + ... + 19305630.

It is an arithmetic number, because the mean of its divisors is an integer number (45046463).

Almost surely, 2^154445012 is an apocalyptic number.

It is an amenable number.

154445012 is a deficient number, since it is larger than the sum of its proper divisors (115833766).

154445012 is a wasteful number, since it uses less digits than its factorization.

154445012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38611257 (or 38611255 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 154445012 is about 12427.5907560557. The cubic root of 154445012 is about 536.5266459975.

Adding to 154445012 its reverse (210544451), we get a palindrome (364989463).

The spelling of 154445012 in words is "one hundred fifty-four million, four hundred forty-five thousand, twelve".