145653570 has 24 divisors (see below), whose sum is σ = 378699516. Its totient is φ = 38840928.

The previous prime is 145653533. The next prime is 145653577. The reversal of 145653570 is 75356541.

145653570 is a `hidden beast` number, since 1 + 4 + 56 + 535 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 141205689 + 4447881 = 11883^2 + 2109^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145653577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809097 + ... + 809276.

Almost surely, 2^145653570 is an apocalyptic number.

145653570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145653570 is an abundant number, since it is smaller than the sum of its proper divisors (233045946).

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

145653570 is a wasteful number, since it uses less digits than its factorization.

145653570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618386 (or 1618383 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 145653570 is about 12068.7020843171. The cubic root of 145653570 is about 526.1469347156.

The spelling of 145653570 in words is "one hundred forty-five million, six hundred fifty-three thousand, five hundred seventy".