145595870 has 16 divisors (see below), whose sum is σ = 299511648. Its totient is φ = 49918560.

The previous prime is 145595839. The next prime is 145595899. The reversal of 145595870 is 78595541.

It is a super-2 number, since 2×145595870² = 42396314722113800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1039901 + ... + 1040040.

It is an arithmetic number, because the mean of its divisors is an integer number (18719478).

Almost surely, 2^145595870 is an apocalyptic number.

145595870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145595870 is an abundant number, since it is smaller than the sum of its proper divisors (153915778).

145595870 is a wasteful number, since it uses less digits than its factorization.

145595870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079955.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 145595870 is about 12066.3113667765. The cubic root of 145595870 is about 526.0774486333.

The spelling of 145595870 in words is "one hundred forty-five million, five hundred ninety-five thousand, eight hundred seventy".