145247880996 has 135 divisors (see below), whose sum is σ = 392925662283. Its totient is φ = 46785554640.

The previous prime is 145247880989. The next prime is 145247881019. The reversal of 145247880996 is 699088742541.

The square root of 145247880996 is 381114.

It is a perfect power (a square), and thus also a powerful number.

145247880996 is a `hidden beast` number, since 14 + 524 + 7 + 8 + 8 + 0 + 9 + 96 = 666.

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 44 ways as a sum of consecutive naturals, for example, 212661271 + ... + 212661953.

Almost surely, 2^145247880996 is an apocalyptic number.

145247880996 is the 381114-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145247880996

145247880996 is an abundant number, since it is smaller than the sum of its proper divisors (247677781287).

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

145247880996 is an frugal number, since it uses more digits than its factorization.

145247880996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 145247880996 in words is "one hundred forty-five billion, two hundred forty-seven million, eight hundred eighty thousand, nine hundred ninety-six".