154389074 has 32 divisors (see below), whose sum is σ = 270729216. Its totient is φ = 64668240.

The previous prime is 154389073. The next prime is 154389089. The reversal of 154389074 is 470983451.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (154389073) 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, 125627 + ... + 126849.

It is an arithmetic number, because the mean of its divisors is an integer number (8460288).

Almost surely, 2^154389074 is an apocalyptic number.

154389074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

154389074 is a deficient number, since it is larger than the sum of its proper divisors (116340142).

154389074 is a wasteful number, since it uses less digits than its factorization.

154389074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 154389074 is about 12425.3399953482. The cubic root of 154389074 is about 536.4618638220.

The spelling of 154389074 in words is "one hundred fifty-four million, three hundred eighty-nine thousand, seventy-four".