150665645 has 32 divisors (see below), whose sum is σ = 209744640. Its totient is φ = 102896640.

The previous prime is 150665633. The next prime is 150665651. The reversal of 150665645 is 546566051.

It is not a de Polignac number, because 150665645 - 2¹⁰ = 150664621 is a prime.

It is a super-3 number, since 3×150665645³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 150665599 and 150665608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64040 + ... + 66350.

It is an arithmetic number, because the mean of its divisors is an integer number (6554520).

Almost surely, 2^150665645 is an apocalyptic number.

It is an amenable number.

150665645 is a deficient number, since it is larger than the sum of its proper divisors (59078995).

150665645 is a wasteful number, since it uses less digits than its factorization.

150665645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 150665645 is about 12274.5934759567. The cubic root of 150665645 is about 532.1140730472.

The spelling of 150665645 in words is "one hundred fifty million, six hundred sixty-five thousand, six hundred forty-five".