145855710 has 192 divisors, whose sum is σ = 509483520. Its totient is φ = 27959040.

The previous prime is 145855681. The next prime is 145855727. The reversal of 145855710 is 17558541.

145855710 is a `hidden beast` number, since 1 + 4 + 5 + 85 + 571 + 0 = 666.

145855710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89281 + ... + 90899.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^145855710 is an apocalyptic number.

145855710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145855710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254741760).

145855710 is an abundant number, since it is smaller than the sum of its proper divisors (363627810).

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

145855710 is a wasteful number, since it uses less digits than its factorization.

145855710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 145855710 is about 12077.0737349740. The cubic root of 145855710 is about 526.3902201561.

The spelling of 145855710 in words is "one hundred forty-five million, eight hundred fifty-five thousand, seven hundred ten".