145455978240 has 108 divisors (see below), whose sum is σ = 503262572904. Its totient is φ = 38788257792.

The previous prime is 145455978229. The next prime is 145455978251. The reversal of 145455978240 is 42879554541.

145455978240 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 597 + 8 + 2 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (145455978229) and next prime (145455978251).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6301674 + ... + 6324713.

It is an arithmetic number, because the mean of its divisors is an integer number (4659838638).

Almost surely, 2^145455978240 is an apocalyptic number.

145455978240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145455978240 is an abundant number, since it is smaller than the sum of its proper divisors (357806594664).

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

145455978240 is a wasteful number, since it uses less digits than its factorization.

145455978240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626414 (or 12626397 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 145455978240 in words is "one hundred forty-five billion, four hundred fifty-five million, nine hundred seventy-eight thousand, two hundred forty".