150780609 has 40 divisors (see below), whose sum is σ = 258432768. Its totient is φ = 85821120.

The previous prime is 150780569. The next prime is 150780613. The reversal of 150780609 is 906087051.

It is not a de Polignac number, because 150780609 - 2¹² = 150776513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150780629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 244069 + ... + 244685.

Almost surely, 2^150780609 is an apocalyptic number.

It is an amenable number.

150780609 is a deficient number, since it is larger than the sum of its proper divisors (107652159).

150780609 is an equidigital number, since it uses as much as digits as its factorization.

150780609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 150780609 is about 12279.2755893823. The cubic root of 150780609 is about 532.2493801804.

The spelling of 150780609 in words is "one hundred fifty million, seven hundred eighty thousand, six hundred nine".