154148218 has 24 divisors (see below), whose sum is σ = 269757972. Its totient is φ = 65870784.

The previous prime is 154148201. The next prime is 154148219. The reversal of 154148218 is 812841451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145130209 + 9018009 = 12047^2 + 3003^2 .

It is a super-2 number, since 2×154148218² = 47523346225151048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154148219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34446 + ... + 38662.

Almost surely, 2^154148218 is an apocalyptic number.

154148218 is a deficient number, since it is larger than the sum of its proper divisors (115609754).

154148218 is a wasteful number, since it uses less digits than its factorization.

154148218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4599 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 154148218 is about 12415.6440831718. The cubic root of 154148218 is about 536.1827479809.

Adding to 154148218 its reverse (812841451), we get a palindrome (966989669).

It can be divided in two parts, 15414 and 8218, that added together give a palindrome (23632).

The spelling of 154148218 in words is "one hundred fifty-four million, one hundred forty-eight thousand, two hundred eighteen".