154521045423132 has 48 divisors (see below), whose sum is σ = 360839991093120. Its totient is φ = 51465473281728.

The previous prime is 154521045423131. The next prime is 154521045423203. The reversal of 154521045423132 is 231324540125451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154521045423131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93508119 + ... + 95146257.

It is an arithmetic number, because the mean of its divisors is an integer number (7517499814440).

Almost surely, 2^{154521045423132} is an apocalyptic number.

154521045423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154521045423132 is an abundant number, since it is smaller than the sum of its proper divisors (206318945669988).

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

154521045423132 is a wasteful number, since it uses less digits than its factorization.

154521045423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644482 (or 1644480 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 154521045423132 its reverse (231324540125451), we get a palindrome (385845585548583).

The spelling of 154521045423132 in words is "one hundred fifty-four trillion, five hundred twenty-one billion, forty-five million, four hundred twenty-three thousand, one hundred thirty-two".