355154144421 has 8 divisors (see below), whose sum is σ = 473542439104. Its totient is φ = 236767639680.

The previous prime is 355154144417. The next prime is 355154144459. The reversal of 355154144421 is 124441451553.

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

It is not a de Polignac number, because 355154144421 - 2² = 355154144417 is a prime.

It is a super-2 number, since 2×355154144421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355154144421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355154144221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117336 + ... + 850926.

It is an arithmetic number, because the mean of its divisors is an integer number (59192804888).

Almost surely, 2^355154144421 is an apocalyptic number.

It is an amenable number.

355154144421 is a deficient number, since it is larger than the sum of its proper divisors (118388294683).

355154144421 is a wasteful number, since it uses less digits than its factorization.

355154144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894971.

The product of its digits is 192000, while the sum is 39.

Adding to 355154144421 its reverse (124441451553), we get a palindrome (479595595974).

The spelling of 355154144421 in words is "three hundred fifty-five billion, one hundred fifty-four million, one hundred forty-four thousand, four hundred twenty-one".