154046431471720 has 16 divisors (see below), whose sum is σ = 346604470811460. Its totient is φ = 61618572588672.

The previous prime is 154046431471643. The next prime is 154046431471729. The reversal of 154046431471720 is 27174134640451.

It is a happy number.

154046431471720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153832871031844 + 213560439876 = 12402938^2 + 462126^2 .

It is not an unprimeable number, because it can be changed into a prime (154046431471729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925580393357 + ... + 1925580393436.

Almost surely, 2^{154046431471720} is an apocalyptic number.

154046431471720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154046431471720 is an abundant number, since it is smaller than the sum of its proper divisors (192558039339740).

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

154046431471720 is a wasteful number, since it uses less digits than its factorization.

154046431471720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851160786804 (or 3851160786800 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 154046431471720 in words is "one hundred fifty-four trillion, forty-six billion, four hundred thirty-one million, four hundred seventy-one thousand, seven hundred twenty".