154139046 has 32 divisors (see below), whose sum is σ = 311942400. Its totient is φ = 50772960.

The previous prime is 154139023. The next prime is 154139107. The reversal of 154139046 is 640931451.

It is a junction number, because it is equal to n+sod(n) for n = 154138998 and 154139016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350895 + ... + 351333.

It is an arithmetic number, because the mean of its divisors is an integer number (9748200).

Almost surely, 2^154139046 is an apocalyptic number.

154139046 is an abundant number, since it is smaller than the sum of its proper divisors (157803354).

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

154139046 is a wasteful number, since it uses less digits than its factorization.

154139046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 154139046 is about 12415.2747049753. The cubic root of 154139046 is about 536.1721132690.

The spelling of 154139046 in words is "one hundred fifty-four million, one hundred thirty-nine thousand, forty-six".