154733420 has 48 divisors (see below), whose sum is σ = 340623360. Its totient is φ = 58931136.

The previous prime is 154733419. The next prime is 154733437. The reversal of 154733420 is 24337451.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 120341 + ... + 121619.

It is an arithmetic number, because the mean of its divisors is an integer number (7096320).

Almost surely, 2^154733420 is an apocalyptic number.

154733420 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 154733420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170311680).

154733420 is an abundant number, since it is smaller than the sum of its proper divisors (185889940).

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

154733420 is a wasteful number, since it uses less digits than its factorization.

154733420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 154733420 is about 12439.1888803089. The cubic root of 154733420 is about 536.8604052558.

The spelling of 154733420 in words is "one hundred fifty-four million, seven hundred thirty-three thousand, four hundred twenty".