154020542202 has 32 divisors (see below), whose sum is σ = 342667353600. Its totient is φ = 51280258464.

The previous prime is 154020542201. The next prime is 154020542233. The reversal of 154020542202 is 202245020451.

154020542202 is a `hidden beast` number, since 1 + 5 + 402 + 0 + 54 + 2 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (154020542201) 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, 1617802 + ... + 1710357.

It is an arithmetic number, because the mean of its divisors is an integer number (10708354800).

Almost surely, 2^154020542202 is an apocalyptic number.

154020542202 is an abundant number, since it is smaller than the sum of its proper divisors (188646811398).

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

154020542202 is a wasteful number, since it uses less digits than its factorization.

154020542202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329027 (or 3329021 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 154020542202 its reverse (202245020451), we get a palindrome (356265562653).

The spelling of 154020542202 in words is "one hundred fifty-four billion, twenty million, five hundred forty-two thousand, two hundred two".