154451133420312 has 32 divisors (see below), whose sum is σ = 386135592756480. Its totient is φ = 51482676579360.

The previous prime is 154451133420307. The next prime is 154451133420319. The reversal of 154451133420312 is 213024331154451.

It is a super-2 number, since 2×154451133420312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154451133420319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63440364 + ... + 65829947.

It is an arithmetic number, because the mean of its divisors is an integer number (12066737273640).

Almost surely, 2^{154451133420312} is an apocalyptic number.

154451133420312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154451133420312 is an abundant number, since it is smaller than the sum of its proper divisors (231684459336168).

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

154451133420312 is a wasteful number, since it uses less digits than its factorization.

154451133420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129320103 (or 129320099 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 154451133420312 its reverse (213024331154451), we get a palindrome (367475464574763).

The spelling of 154451133420312 in words is "one hundred fifty-four trillion, four hundred fifty-one billion, one hundred thirty-three million, four hundred twenty thousand, three hundred twelve".