154635504012 has 216 divisors, whose sum is σ = 435218264208. Its totient is φ = 46256221440.

The previous prime is 154635503993. The next prime is 154635504013. The reversal of 154635504012 is 210405536451.

154635504012 is a `hidden beast` number, since 1 + 5 + 4 + 63 + 550 + 40 + 1 + 2 = 666.

It is a super-2 number, since 2×154635504012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (154635504013) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 118312663 + ... + 118313969.

Almost surely, 2^154635504012 is an apocalyptic number.

154635504012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154635504012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217609132104).

154635504012 is an abundant number, since it is smaller than the sum of its proper divisors (280582760196).

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

154635504012 is a wasteful number, since it uses less digits than its factorization.

154635504012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 154635504012 in words is "one hundred fifty-four billion, six hundred thirty-five million, five hundred four thousand, twelve".