154232216 has 8 divisors (see below), whose sum is σ = 289185420. Its totient is φ = 77116104.

The previous prime is 154232213. The next prime is 154232251. The reversal of 154232216 is 612232451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154232213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9639506 + ... + 9639521.

Almost surely, 2^154232216 is an apocalyptic number.

It is an amenable number.

154232216 is a deficient number, since it is larger than the sum of its proper divisors (134953204).

154232216 is a wasteful number, since it uses less digits than its factorization.

154232216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19279033 (or 19279029 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 154232216 is about 12419.0263708553. The cubic root of 154232216 is about 536.2801220123.

Adding to 154232216 its reverse (612232451), we get a palindrome (766464667).

The spelling of 154232216 in words is "one hundred fifty-four million, two hundred thirty-two thousand, two hundred sixteen".