154031214140 has 24 divisors (see below), whose sum is σ = 323489112912. Its totient is φ = 61607997440.

The previous prime is 154031214097. The next prime is 154031214157. The reversal of 154031214140 is 41412130451.

It is a super-2 number, since 2×154031214140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8147 + ... + 555093.

It is an arithmetic number, because the mean of its divisors is an integer number (13478713038).

Almost surely, 2^154031214140 is an apocalyptic number.

154031214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154031214140 is an abundant number, since it is smaller than the sum of its proper divisors (169457898772).

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

154031214140 is a wasteful number, since it uses less digits than its factorization.

154031214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561037 (or 561035 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 154031214140 its reverse (41412130451), we get a palindrome (195443344591).

The spelling of 154031214140 in words is "one hundred fifty-four billion, thirty-one million, two hundred fourteen thousand, one hundred forty".