151394454468 has 18 divisors (see below), whose sum is σ = 382691537774. Its totient is φ = 50464818144.

The previous prime is 151394454451. The next prime is 151394454469. The reversal of 151394454468 is 864454493151.

151394454468 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 94 + 4 + 544 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79903459584 + 71490994884 = 282672^2 + 267378^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (151394454469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2102700721 + ... + 2102700792.

Almost surely, 2^151394454468 is an apocalyptic number.

151394454468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

151394454468 is an abundant number, since it is smaller than the sum of its proper divisors (231297083306).

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

151394454468 is a wasteful number, since it uses less digits than its factorization.

151394454468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205401523 (or 4205401518 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 151394454468 in words is "one hundred fifty-one billion, three hundred ninety-four million, four hundred fifty-four thousand, four hundred sixty-eight".