154256146 has 16 divisors (see below), whose sum is σ = 254738880. Its totient is φ = 69472080.

The previous prime is 154256143. The next prime is 154256159. The reversal of 154256146 is 641652451.

154256146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154256143) 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 7 ways as a sum of consecutive naturals, for example, 29766 + ... + 34561.

It is an arithmetic number, because the mean of its divisors is an integer number (15921180).

Almost surely, 2^154256146 is an apocalyptic number.

154256146 is a deficient number, since it is larger than the sum of its proper divisors (100482734).

154256146 is a wasteful number, since it uses less digits than its factorization.

154256146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64449.

The product of its digits is 28800, while the sum is 34.

The square root of 154256146 is about 12419.9897745530. The cubic root of 154256146 is about 536.3078562086.

The spelling of 154256146 in words is "one hundred fifty-four million, two hundred fifty-six thousand, one hundred forty-six".