454142021602 has 8 divisors (see below), whose sum is σ = 681294260700. Its totient is φ = 227043934704.

The previous prime is 454142021587. The next prime is 454142021603. The reversal of 454142021602 is 206120241454.

It can be written as a sum of positive squares in 2 ways, for example, as 453940410001 + 201611601 = 673751^2 + 14199^2 .

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

It is not an unprimeable number, because it can be changed into a prime (454142021603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13517077 + ... + 13550632.

Almost surely, 2^454142021602 is an apocalyptic number.

454142021602 is a deficient number, since it is larger than the sum of its proper divisors (227152239098).

454142021602 is a wasteful number, since it uses less digits than its factorization.

454142021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27076100.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 454142021602 in words is "four hundred fifty-four billion, one hundred forty-two million, twenty-one thousand, six hundred two".