154956842 has 16 divisors (see below), whose sum is σ = 247121280. Its totient is φ = 72710352.

The previous prime is 154956829. The next prime is 154956877. The reversal of 154956842 is 248659451.

It is a super-2 number, since 2×154956842² = 48023245765225928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154956793 and 154956802.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29342 + ... + 34217.

It is an arithmetic number, because the mean of its divisors is an integer number (15445080).

Almost surely, 2^154956842 is an apocalyptic number.

154956842 is a deficient number, since it is larger than the sum of its proper divisors (92164438).

154956842 is a wasteful number, since it uses less digits than its factorization.

154956842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63637.

The product of its digits is 345600, while the sum is 44.

The square root of 154956842 is about 12448.1662103299. The cubic root of 154956842 is about 537.1186746952.

The spelling of 154956842 in words is "one hundred fifty-four million, nine hundred fifty-six thousand, eight hundred forty-two".