145605570 has 32 divisors (see below), whose sum is σ = 381222720. Its totient is φ = 35298240.

The previous prime is 145605557. The next prime is 145605599. The reversal of 145605570 is 75506541.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220285 + ... + 220944.

It is an arithmetic number, because the mean of its divisors is an integer number (11913210).

Almost surely, 2^145605570 is an apocalyptic number.

145605570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145605570 is an abundant number, since it is smaller than the sum of its proper divisors (235617150).

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

145605570 is a wasteful number, since it uses less digits than its factorization.

145605570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441250.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 145605570 is about 12066.7133056189. The cubic root of 145605570 is about 526.0891312860.

The spelling of 145605570 in words is "one hundred forty-five million, six hundred five thousand, five hundred seventy".