150665545 has 4 divisors (see below), whose sum is σ = 180798660. Its totient is φ = 120532432.

The previous prime is 150665539. The next prime is 150665551. The reversal of 150665545 is 545566051.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (150665539) and next prime (150665551).

It can be written as a sum of positive squares in 2 ways, for example, as 33419961 + 117245584 = 5781^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 150665545 - 2¹⁵ = 150632777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15066550 + ... + 15066559.

It is an arithmetic number, because the mean of its divisors is an integer number (45199665).

Almost surely, 2^150665545 is an apocalyptic number.

It is an amenable number.

150665545 is a deficient number, since it is larger than the sum of its proper divisors (30133115).

150665545 is an equidigital number, since it uses as much as digits as its factorization.

150665545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30133114.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 150665545 is about 12274.5894025014. The cubic root of 150665545 is about 532.1139553220.

The spelling of 150665545 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred forty-five".