154551532131040 has 96 divisors (see below), whose sum is σ = 398512683063936. Its totient is φ = 56173575221760.

The previous prime is 154551532130969. The next prime is 154551532131047. The reversal of 154551532131040 is 40131235155451.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 154551532130984 and 154551532131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154551532131047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17412502 + ... + 24744661.

It is an arithmetic number, because the mean of its divisors is an integer number (4151173781916).

Almost surely, 2^{154551532131040} is an apocalyptic number.

154551532131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154551532131040 is an abundant number, since it is smaller than the sum of its proper divisors (243961150932896).

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

154551532131040 is a wasteful number, since it uses less digits than its factorization.

154551532131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42159272 (or 42159264 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 154551532131040 its reverse (40131235155451), we get a palindrome (194682767286491).

The spelling of 154551532131040 in words is "one hundred fifty-four trillion, five hundred fifty-one billion, five hundred thirty-two million, one hundred thirty-one thousand, forty".