154330420 has 24 divisors (see below), whose sum is σ = 343158984. Its totient is φ = 58100736.

The previous prime is 154330417. The next prime is 154330433. The reversal of 154330420 is 24033451.

It can be written as a sum of positive squares in 4 ways, for example, as 4218916 + 150111504 = 2054^2 + 12252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154330391 and 154330400.

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 7 ways as a sum of consecutive naturals, for example, 226617 + ... + 227296.

It is an arithmetic number, because the mean of its divisors is an integer number (14298291).

Almost surely, 2^154330420 is an apocalyptic number.

154330420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154330420 is an abundant number, since it is smaller than the sum of its proper divisors (188828564).

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

154330420 is a wasteful number, since it uses less digits than its factorization.

154330420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453939 (or 453937 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 154330420 is about 12422.9795137881. The cubic root of 154330420 is about 536.3939194205.

Adding to 154330420 its reverse (24033451), we get a palindrome (178363871).

The spelling of 154330420 in words is "one hundred fifty-four million, three hundred thirty thousand, four hundred twenty".