155421456362 has 8 divisors (see below), whose sum is σ = 233167330596. Its totient is φ = 77699012832.

The previous prime is 155421456349. The next prime is 155421456373. The reversal of 155421456362 is 263654124551.

It can be written as a sum of positive squares in 2 ways, for example, as 155290376761 + 131079601 = 394069^2 + 11449^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5841083 + ... + 5867630.

Almost surely, 2^155421456362 is an apocalyptic number.

155421456362 is a deficient number, since it is larger than the sum of its proper divisors (77745874234).

155421456362 is a wasteful number, since it uses less digits than its factorization.

155421456362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715352.

The product of its digits is 864000, while the sum is 44.

The spelling of 155421456362 in words is "one hundred fifty-five billion, four hundred twenty-one million, four hundred fifty-six thousand, three hundred sixty-two".