145255646320 has 40 divisors (see below), whose sum is σ = 338270420736. Its totient is φ = 58007455488.

The previous prime is 145255646317. The next prime is 145255646351. The reversal of 145255646320 is 23646552541.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1431952 + ... + 1530031.

Almost surely, 2^145255646320 is an apocalyptic number.

145255646320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145255646320 is an abundant number, since it is smaller than the sum of its proper divisors (193014774416).

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

145255646320 is a wasteful number, since it uses less digits than its factorization.

145255646320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962609 (or 2962603 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 145255646320 in words is "one hundred forty-five billion, two hundred fifty-five million, six hundred forty-six thousand, three hundred twenty".