154312020432 has 50 divisors (see below), whose sum is σ = 446623760418. Its totient is φ = 51437339712.

The previous prime is 154312020403. The next prime is 154312020449. The reversal of 154312020432 is 234020213451.

154312020432 is a `hidden beast` number, since 1 + 5 + 431 + 20 + 204 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81683926416 + 72628094016 = 285804^2 + 269496^2 .

It is a super-4 number, since 4×154312020432⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 154312020396 and 154312020405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 59532663 + ... + 59535254.

Almost surely, 2^154312020432 is an apocalyptic number.

154312020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154312020432 is an abundant number, since it is smaller than the sum of its proper divisors (292311739986).

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

154312020432 is a wasteful number, since it uses less digits than its factorization.

154312020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119067937 (or 119067922 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 154312020432 its reverse (234020213451), we get a palindrome (388332233883).

The spelling of 154312020432 in words is "one hundred fifty-four billion, three hundred twelve million, twenty thousand, four hundred thirty-two".