154931216 has 40 divisors (see below), whose sum is σ = 332859648. Its totient is φ = 69264000.

The previous prime is 154931209. The next prime is 154931219. The reversal of 154931216 is 612139451.

154931216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154931219) 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, 3521 + ... + 17951.

Almost surely, 2^154931216 is an apocalyptic number.

154931216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154931216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166429824).

154931216 is an abundant number, since it is smaller than the sum of its proper divisors (177928432).

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

154931216 is a wasteful number, since it uses less digits than its factorization.

154931216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511 (or 14505 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 154931216 is about 12447.1368595352. The cubic root of 154931216 is about 537.0890643817.

The spelling of 154931216 in words is "one hundred fifty-four million, nine hundred thirty-one thousand, two hundred sixteen".