154343398612 has 18 divisors (see below), whose sum is σ = 292476175278. Its totient is φ = 71235414432.

The previous prime is 154343398607. The next prime is 154343398621. The reversal of 154343398612 is 216893343451.

It can be written as a sum of positive squares in 3 ways, for example, as 643332496 + 153700066116 = 25364^2 + 392046^2 .

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, 114158643 + ... + 114159994.

Almost surely, 2^154343398612 is an apocalyptic number.

It is an amenable number.

154343398612 is a deficient number, since it is larger than the sum of its proper divisors (138132776666).

154343398612 is a wasteful number, since it uses less digits than its factorization.

154343398612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228318667 (or 228318652 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 154343398612 in words is "one hundred fifty-four billion, three hundred forty-three million, three hundred ninety-eight thousand, six hundred twelve".