154564420032 has 168 divisors, whose sum is σ = 485980355952. Its totient is φ = 46578585600.

The previous prime is 154564420027. The next prime is 154564420051. The reversal of 154564420032 is 230024465451.

154564420032 is a `hidden beast` number, since 1 + 5 + 4 + 5 + 644 + 2 + 0 + 0 + 3 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079428 + ... + 1214204.

It is an arithmetic number, because the mean of its divisors is an integer number (2892740214).

Almost surely, 2^154564420032 is an apocalyptic number.

154564420032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154564420032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242990177976).

154564420032 is an abundant number, since it is smaller than the sum of its proper divisors (331415935920).

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

154564420032 is a wasteful number, since it uses less digits than its factorization.

154564420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134987 (or 134974 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 154564420032 its reverse (230024465451), we get a palindrome (384588885483).

The spelling of 154564420032 in words is "one hundred fifty-four billion, five hundred sixty-four million, four hundred twenty thousand, thirty-two".