145245942680 has 32 divisors (see below), whose sum is σ = 329376637440. Its totient is φ = 57640907520.

The previous prime is 145245942671. The next prime is 145245942683. The reversal of 145245942680 is 86249542541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245942683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14290781 + ... + 14300940.

It is an arithmetic number, because the mean of its divisors is an integer number (10293019920).

Almost surely, 2^145245942680 is an apocalyptic number.

145245942680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145245942680 is an abundant number, since it is smaller than the sum of its proper divisors (184130694760).

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

145245942680 is a wasteful number, since it uses less digits than its factorization.

145245942680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28591859 (or 28591855 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 145245942680 in words is "one hundred forty-five billion, two hundred forty-five million, nine hundred forty-two thousand, six hundred eighty".