2150154396 has 144 divisors (see below), whose sum is σ = 6102480384. Its totient is φ = 658051776.

The previous prime is 2150154371. The next prime is 2150154427. The reversal of 2150154396 is 6934510512.

2150154396 is a `hidden beast` number, since 21 + 5 + 0 + 1 + 543 + 96 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2150154396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3322945 + ... + 3323591.

It is an arithmetic number, because the mean of its divisors is an integer number (42378336).

Almost surely, 2^2150154396 is an apocalyptic number.

2150154396 is a gapful number since it is divisible by the number (26) 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 2150154396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051240192).

2150154396 is an abundant number, since it is smaller than the sum of its proper divisors (3952325988).

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

2150154396 is a wasteful number, since it uses less digits than its factorization.

2150154396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 2150154396 is about 46369.7573424748. The cubic root of 2150154396 is about 1290.6937750021.

The spelling of 2150154396 in words is "two billion, one hundred fifty million, one hundred fifty-four thousand, three hundred ninety-six".