145285208572 has 24 divisors (see below), whose sum is σ = 291604491360. Its totient is φ = 62043502080.

The previous prime is 145285208557. The next prime is 145285208587. The reversal of 145285208572 is 275802582541.

145285208572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145285208557) and next prime (145285208587).

It is a super-2 number, since 2×145285208572² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9224797 + ... + 9240532.

It is an arithmetic number, because the mean of its divisors is an integer number (12150187140).

Almost surely, 2^145285208572 is an apocalyptic number.

It is an amenable number.

145285208572 is an abundant number, since it is smaller than the sum of its proper divisors (146319282788).

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

145285208572 is a wasteful number, since it uses less digits than its factorization.

145285208572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18465621 (or 18465619 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 49.

The spelling of 145285208572 in words is "one hundred forty-five billion, two hundred eighty-five million, two hundred eight thousand, five hundred seventy-two".