165230450 has 72 divisors (see below), whose sum is σ = 390068784. Its totient is φ = 51492000.

The previous prime is 165230449. The next prime is 165230453. The reversal of 165230450 is 54032561.

It is a super-2 number, since 2×165230450² = 54602203214405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165230453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23885 + ... + 30015.

It is an arithmetic number, because the mean of its divisors is an integer number (5417622).

Almost surely, 2^165230450 is an apocalyptic number.

165230450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165230450 is an abundant number, since it is smaller than the sum of its proper divisors (224838334).

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

165230450 is a wasteful number, since it uses less digits than its factorization.

165230450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168 (or 6156 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 165230450 is about 12854.1997028209. The cubic root of 165230450 is about 548.7358846728.

The spelling of 165230450 in words is "one hundred sixty-five million, two hundred thirty thousand, four hundred fifty".