154868740 has 48 divisors (see below), whose sum is σ = 353703168. Its totient is φ = 56617344.

The previous prime is 154868737. The next prime is 154868743. The reversal of 154868740 is 47868451.

154868740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154868737) and next prime (154868743).

It is not an unprimeable number, because it can be changed into a prime (154868743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23889 + ... + 29671.

It is an arithmetic number, because the mean of its divisors is an integer number (7368816).

Almost surely, 2^154868740 is an apocalyptic number.

154868740 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 154868740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176851584).

154868740 is an abundant number, since it is smaller than the sum of its proper divisors (198834428).

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

154868740 is a wasteful number, since it uses less digits than its factorization.

154868740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5906 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 154868740 is about 12444.6269530268. The cubic root of 154868740 is about 537.0168609686.

The spelling of 154868740 in words is "one hundred fifty-four million, eight hundred sixty-eight thousand, seven hundred forty".