154131216 has 40 divisors (see below), whose sum is σ = 399483360. Its totient is φ = 51207936.

The previous prime is 154131193. The next prime is 154131217. The reversal of 154131216 is 612131451.

It is a happy number.

154131216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (154131217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9895 + ... + 20153.

It is an arithmetic number, because the mean of its divisors is an integer number (9987084).

Almost surely, 2^154131216 is an apocalyptic number.

154131216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154131216 is an abundant number, since it is smaller than the sum of its proper divisors (245352144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154131216 is a wasteful number, since it uses less digits than its factorization.

154131216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583 (or 10577 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 154131216 is about 12414.9593636065. The cubic root of 154131216 is about 536.1630342397.

Adding to 154131216 its reverse (612131451), we get a palindrome (766262667).

The spelling of 154131216 in words is "one hundred fifty-four million, one hundred thirty-one thousand, two hundred sixteen".