150535665 has 80 divisors (see below), whose sum is σ = 319207680. Its totient is φ = 66407040.

The previous prime is 150535661. The next prime is 150535681. The reversal of 150535665 is 566535051.

It is not a de Polignac number, because 150535665 - 2² = 150535661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150535661) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 81300 + ... + 83130.

It is an arithmetic number, because the mean of its divisors is an integer number (3990096).

Almost surely, 2^150535665 is an apocalyptic number.

150535665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150535665 is an abundant number, since it is smaller than the sum of its proper divisors (168672015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150535665 is a wasteful number, since it uses less digits than its factorization.

150535665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 150535665 is about 12269.2976571603. The cubic root of 150535665 is about 531.9610098717.

The spelling of 150535665 in words is "one hundred fifty million, five hundred thirty-five thousand, six hundred sixty-five".