154730961 has 24 divisors (see below), whose sum is σ = 278650944. Its totient is φ = 80379360.

The previous prime is 154730887. The next prime is 154730963. The reversal of 154730961 is 169037451.

It is not a de Polignac number, because 154730961 - 2⁷ = 154730833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154730963) 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 23 ways as a sum of consecutive naturals, for example, 110946 + ... + 112331.

It is an arithmetic number, because the mean of its divisors is an integer number (11610456).

Almost surely, 2^154730961 is an apocalyptic number.

154730961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154730961 is a deficient number, since it is larger than the sum of its proper divisors (123919983).

154730961 is a wasteful number, since it uses less digits than its factorization.

154730961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223301 (or 223298 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 154730961 is about 12439.0900390664. The cubic root of 154730961 is about 536.8575613394.

The spelling of 154730961 in words is "one hundred fifty-four million, seven hundred thirty thousand, nine hundred sixty-one".