162021453 has 16 divisors (see below), whose sum is σ = 245915136. Its totient is φ = 93925040.

The previous prime is 162021451. The next prime is 162021479. The reversal of 162021453 is 354120261.

It is not a de Polignac number, because 162021453 - 2¹ = 162021451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162021451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105975 + ... + 107492.

It is an arithmetic number, because the mean of its divisors is an integer number (15369696).

Almost surely, 2^162021453 is an apocalyptic number.

It is an amenable number.

162021453 is a deficient number, since it is larger than the sum of its proper divisors (83893683).

162021453 is a wasteful number, since it uses less digits than its factorization.

162021453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213504.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 162021453 is about 12728.7647868911. The cubic root of 162021453 is about 545.1602401752.

The spelling of 162021453 in words is "one hundred sixty-two million, twenty-one thousand, four hundred fifty-three".