1602144450 has 72 divisors (see below), whose sum is σ = 4313039796. Its totient is φ = 426384000.

The previous prime is 1602144421. The next prime is 1602144451. The reversal of 1602144450 is 544412061.

1602144450 is a `hidden beast` number, since 1 + 6 + 0 + 214 + 445 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 308950929 + 1293193521 = 17577^2 + 35961^2 .

It is not an unprimeable number, because it can be changed into a prime (1602144451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 240160 + ... + 246740.

Almost surely, 2^1602144450 is an apocalyptic number.

1602144450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1602144450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156519898).

1602144450 is an abundant number, since it is smaller than the sum of its proper divisors (2710895346).

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

1602144450 is a wasteful number, since it uses less digits than its factorization.

1602144450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140 (or 7132 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1602144450 is about 40026.7966492449. The cubic root of 1602144450 is about 1170.1293961645.

The spelling of 1602144450 in words is "one billion, six hundred two million, one hundred forty-four thousand, four hundred fifty".