150514856478 has 128 divisors (see below), whose sum is σ = 395231616000. Its totient is φ = 41560573824.

The previous prime is 150514856423. The next prime is 150514856491. The reversal of 150514856478 is 874658415051.

150514856478 is a `hidden beast` number, since 1 + 5 + 0 + 5 + 1 + 4 + 8 + 564 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2047801 + ... + 2120027.

It is an arithmetic number, because the mean of its divisors is an integer number (3087747000).

Almost surely, 2^150514856478 is an apocalyptic number.

150514856478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150514856478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197615808000).

150514856478 is an abundant number, since it is smaller than the sum of its proper divisors (244716759522).

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

150514856478 is a wasteful number, since it uses less digits than its factorization.

150514856478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72431 (or 72425 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 150514856478 in words is "one hundred fifty billion, five hundred fourteen million, eight hundred fifty-six thousand, four hundred seventy-eight".