145786870 has 16 divisors (see below), whose sum is σ = 263016720. Its totient is φ = 58181344.

The previous prime is 145786853. The next prime is 145786877. The reversal of 145786870 is 78687541.

145786870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145786870² = 42507622928793800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145786870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145786877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12025 + ... + 20884.

It is an arithmetic number, because the mean of its divisors is an integer number (16438545).

Almost surely, 2^145786870 is an apocalyptic number.

145786870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145786870 is a deficient number, since it is larger than the sum of its proper divisors (117229850).

145786870 is a wasteful number, since it uses less digits than its factorization.

145786870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33359.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 145786870 is about 12074.2233704698. The cubic root of 145786870 is about 526.3073930818.

The spelling of 145786870 in words is "one hundred forty-five million, seven hundred eighty-six thousand, eight hundred seventy".