150645605 has 18 divisors (see below), whose sum is σ = 199101798. Its totient is φ = 109340880.

The previous prime is 150645577. The next prime is 150645613. The reversal of 150645605 is 506546051.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 30129121 = 10978^2 + 5489^2 .

It is not a de Polignac number, because 150645605 - 2⁶ = 150645541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 301646 + ... + 302144.

It is an arithmetic number, because the mean of its divisors is an integer number (11061211).

Almost surely, 2^150645605 is an apocalyptic number.

It is an amenable number.

150645605 is a deficient number, since it is larger than the sum of its proper divisors (48456193).

150645605 is an frugal number, since it uses more digits than its factorization.

150645605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 150645605 is about 12273.7771284963. Note that the first 3 decimals coincide. The cubic root of 150645605 is about 532.0904798809.

Multiplying 150645605 by its product of nonzero digits (18000), we get a square (2711620890000 = 1646700²).

The spelling of 150645605 in words is "one hundred fifty million, six hundred forty-five thousand, six hundred five".