145577570 has 16 divisors (see below), whose sum is σ = 263954808. Its totient is φ = 57805440.

The previous prime is 145577569. The next prime is 145577599. The reversal of 145577570 is 75775541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69172489 + 76405081 = 8317^2 + 8741^2 .

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 7 ways as a sum of consecutive naturals, for example, 51761 + ... + 54500.

Almost surely, 2^145577570 is an apocalyptic number.

145577570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145577570 is a deficient number, since it is larger than the sum of its proper divisors (118377238).

145577570 is a wasteful number, since it uses less digits than its factorization.

145577570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106405.

The product of its (nonzero) digits is 171500, while the sum is 41.

The square root of 145577570 is about 12065.5530333259. The cubic root of 145577570 is about 526.0554067520.

The spelling of 145577570 in words is "one hundred forty-five million, five hundred seventy-seven thousand, five hundred seventy".