154421454132 has 96 divisors (see below), whose sum is σ = 436824944640. Its totient is φ = 46786088160.

The previous prime is 154421454127. The next prime is 154421454139. The reversal of 154421454132 is 231454124451.

154421454132 is a `hidden beast` number, since 1 + 5 + 442 + 145 + 41 + 32 = 666.

154421454132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154421454139) 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 31 ways as a sum of consecutive naturals, for example, 11739183 + ... + 11752329.

It is an arithmetic number, because the mean of its divisors is an integer number (4550259840).

Almost surely, 2^154421454132 is an apocalyptic number.

154421454132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154421454132 is an abundant number, since it is smaller than the sum of its proper divisors (282403490508).

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

154421454132 is a wasteful number, since it uses less digits than its factorization.

154421454132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23058 (or 23050 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 154421454132 its reverse (231454124451), we get a palindrome (385875578583).

The spelling of 154421454132 in words is "one hundred fifty-four billion, four hundred twenty-one million, four hundred fifty-four thousand, one hundred thirty-two".