154305930 has 32 divisors (see below), whose sum is σ = 378949824. Its totient is φ = 40190976.

The previous prime is 154305929. The next prime is 154305937. The reversal of 154305930 is 39503451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (154305937) 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, 58519 + ... + 61098.

It is an arithmetic number, because the mean of its divisors is an integer number (11842182).

Almost surely, 2^154305930 is an apocalyptic number.

154305930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154305930 is an abundant number, since it is smaller than the sum of its proper divisors (224643894).

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

154305930 is a wasteful number, since it uses less digits than its factorization.

154305930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119670.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 154305930 is about 12421.9938013187. The cubic root of 154305930 is about 536.3655452736.

The spelling of 154305930 in words is "one hundred fifty-four million, three hundred five thousand, nine hundred thirty".