145525660 has 24 divisors (see below), whose sum is σ = 349261920. Its totient is φ = 49894464.

The previous prime is 145525657. The next prime is 145525691. The reversal of 145525660 is 66525541.

It is a congruent number.

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, 519595 + ... + 519874.

It is an arithmetic number, because the mean of its divisors is an integer number (14552580).

Almost surely, 2^145525660 is an apocalyptic number.

145525660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145525660 is an abundant number, since it is smaller than the sum of its proper divisors (203736260).

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

145525660 is a wasteful number, since it uses less digits than its factorization.

145525660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039485 (or 1039483 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 145525660 is about 12063.4016761443. The cubic root of 145525660 is about 525.9928724330.

The spelling of 145525660 in words is "one hundred forty-five million, five hundred twenty-five thousand, six hundred sixty".