154542344120 has 16 divisors (see below), whose sum is σ = 347720274360. Its totient is φ = 61816937632.

The previous prime is 154542344113. The next prime is 154542344141. The reversal of 154542344120 is 21443245451.

It is a happy number.

It is a super-2 number, since 2×154542344120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931779262 + ... + 1931779341.

Almost surely, 2^154542344120 is an apocalyptic number.

154542344120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154542344120 is an abundant number, since it is smaller than the sum of its proper divisors (193177930240).

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

154542344120 is a wasteful number, since it uses less digits than its factorization.

154542344120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863558614 (or 3863558610 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 154542344120 its reverse (21443245451), we get a palindrome (175985589571).

The spelling of 154542344120 in words is "one hundred fifty-four billion, five hundred forty-two million, three hundred forty-four thousand, one hundred twenty".