154323242864 has 30 divisors (see below), whose sum is σ = 347817820824. Its totient is φ = 66138532320.

The previous prime is 154323242851. The next prime is 154323242873. The reversal of 154323242864 is 468242323451.

It is a super-2 number, since 2×154323242864² (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 5 ways as a sum of consecutive naturals, for example, 98419652 + ... + 98421219.

Almost surely, 2^154323242864 is an apocalyptic number.

154323242864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

154323242864 is an abundant number, since it is smaller than the sum of its proper divisors (193494577960).

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

154323242864 is a wasteful number, since it uses less digits than its factorization.

154323242864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196840893 (or 196840880 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 154323242864 in words is "one hundred fifty-four billion, three hundred twenty-three million, two hundred forty-two thousand, eight hundred sixty-four".