162452021 has 8 divisors (see below), whose sum is σ = 163354464. Its totient is φ = 161552880.

The previous prime is 162452009. The next prime is 162452029. The reversal of 162452021 is 120254261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162452021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162452029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252326 + ... + 252968.

It is an arithmetic number, because the mean of its divisors is an integer number (20419308).

Almost surely, 2^162452021 is an apocalyptic number.

It is an amenable number.

162452021 is a deficient number, since it is larger than the sum of its proper divisors (902443).

162452021 is an equidigital number, since it uses as much as digits as its factorization.

162452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 162452021 is about 12745.6667538423. Note that the first 3 decimals coincide. The cubic root of 162452021 is about 545.6427296397.

The spelling of 162452021 in words is "one hundred sixty-two million, four hundred fifty-two thousand, twenty-one".