154212480 has 192 divisors, whose sum is σ = 546338520. Its totient is φ = 40058880.

The previous prime is 154212473. The next prime is 154212481. The reversal of 154212480 is 84212451.

It can be written as a sum of positive squares in 4 ways, for example, as 61591104 + 92621376 = 7848^2 + 9624^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (154212481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235834 + ... + 236486.

Almost surely, 2^154212480 is an apocalyptic number.

154212480 is a gapful number since it is divisible by the number (10) 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 154212480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273169260).

154212480 is an abundant number, since it is smaller than the sum of its proper divisors (392126040).

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

154212480 is a wasteful number, since it uses less digits than its factorization.

154212480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 154212480 is about 12418.2317581852. The cubic root of 154212480 is about 536.2572463852.

The spelling of 154212480 in words is "one hundred fifty-four million, two hundred twelve thousand, four hundred eighty".