155454433342 has 12 divisors (see below), whose sum is σ = 252498473640. Its totient is φ = 71748199848.

The previous prime is 155454433333. The next prime is 155454433349. The reversal of 155454433342 is 243334454551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155454433349) 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, 229961842 + ... + 229962517.

It is an arithmetic number, because the mean of its divisors is an integer number (21041539470).

Almost surely, 2^155454433342 is an apocalyptic number.

155454433342 is a deficient number, since it is larger than the sum of its proper divisors (97044040298).

155454433342 is a wasteful number, since it uses less digits than its factorization.

155454433342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459924387 (or 459924374 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 43.

Adding to 155454433342 its reverse (243334454551), we get a palindrome (398788887893).

The spelling of 155454433342 in words is "one hundred fifty-five billion, four hundred fifty-four million, four hundred thirty-three thousand, three hundred forty-two".