1355401455 has 8 divisors (see below), whose sum is σ = 2168642352. Its totient is φ = 722880768.

The previous prime is 1355401447. The next prime is 1355401457. The reversal of 1355401455 is 5541045531.

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

It is not a de Polignac number, because 1355401455 - 2³ = 1355401447 is a prime.

It is a super-2 number, since 2×1355401455² = 3674226208432234050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355401457) 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, 45180034 + ... + 45180063.

It is an arithmetic number, because the mean of its divisors is an integer number (271080294).

Almost surely, 2^1355401455 is an apocalyptic number.

1355401455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355401455 is a deficient number, since it is larger than the sum of its proper divisors (813240897).

1355401455 is an equidigital number, since it uses as much as digits as its factorization.

1355401455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90360105.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1355401455 is about 36815.7772564970. Note that the first 3 decimals coincide. The cubic root of 1355401455 is about 1106.6814977307.

Adding to 1355401455 its reverse (5541045531), we get a palindrome (6896446986).

The spelling of 1355401455 in words is "one billion, three hundred fifty-five million, four hundred one thousand, four hundred fifty-five".