154291379 has 16 divisors (see below), whose sum is σ = 171072000. Its totient is φ = 137987520.

The previous prime is 154291373. The next prime is 154291393. The reversal of 154291379 is 973192451.

It is a de Polignac number, because none of the positive numbers 2^k-154291379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154291373) by changing a digit.

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, 351242 + ... + 351680.

It is an arithmetic number, because the mean of its divisors is an integer number (10692000).

Almost surely, 2^154291379 is an apocalyptic number.

154291379 is a deficient number, since it is larger than the sum of its proper divisors (16780621).

154291379 is a wasteful number, since it uses less digits than its factorization.

154291379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 68040, while the sum is 41.

The square root of 154291379 is about 12421.4080924829. The cubic root of 154291379 is about 536.3486850437.

The spelling of 154291379 in words is "one hundred fifty-four million, two hundred ninety-one thousand, three hundred seventy-nine".