145603605 has 32 divisors (see below), whose sum is σ = 270010368. Its totient is φ = 65620800.

The previous prime is 145603597. The next prime is 145603609. The reversal of 145603605 is 506306541.

145603605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145603605 - 2³ = 145603597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145603609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2311 + ... + 17220.

It is an arithmetic number, because the mean of its divisors is an integer number (8437824).

Almost surely, 2^145603605 is an apocalyptic number.

145603605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145603605 is a deficient number, since it is larger than the sum of its proper divisors (124406763).

145603605 is a wasteful number, since it uses less digits than its factorization.

145603605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 145603605 is about 12066.6318830070. The cubic root of 145603605 is about 526.0867646874.

The spelling of 145603605 in words is "one hundred forty-five million, six hundred three thousand, six hundred five".