145077925878 has 32 divisors (see below), whose sum is σ = 322708216320. Its totient is φ = 48312384840.

The previous prime is 145077925849. The next prime is 145077925913. The reversal of 145077925878 is 878529770541.

145077925878 is a `hidden beast` number, since 1 + 4 + 507 + 7 + 9 + 2 + 58 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247250 + ... + 1358597.

It is an arithmetic number, because the mean of its divisors is an integer number (10084631760).

Almost surely, 2^145077925878 is an apocalyptic number.

145077925878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145077925878 is an abundant number, since it is smaller than the sum of its proper divisors (177630290442).

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

145077925878 is a wasteful number, since it uses less digits than its factorization.

145077925878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606889 (or 2606883 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 63.

The spelling of 145077925878 in words is "one hundred forty-five billion, seventy-seven million, nine hundred twenty-five thousand, eight hundred seventy-eight".