154380380 has 72 divisors (see below), whose sum is σ = 411442416. Its totient is φ = 48115200.

The previous prime is 154380367. The next prime is 154380407. The reversal of 154380380 is 83083451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3620 + ... + 17940.

It is an arithmetic number, because the mean of its divisors is an integer number (5714478).

Almost surely, 2^154380380 is an apocalyptic number.

154380380 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 154380380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205721208).

154380380 is an abundant number, since it is smaller than the sum of its proper divisors (257062036).

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

154380380 is a wasteful number, since it uses less digits than its factorization.

154380380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14355 (or 14346 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 154380380 is about 12424.9901408412. The cubic root of 154380380 is about 536.4517938370.

The spelling of 154380380 in words is "one hundred fifty-four million, three hundred eighty thousand, three hundred eighty".