155344443130 has 8 divisors (see below), whose sum is σ = 279619997652. Its totient is φ = 62137777248.

The previous prime is 155344443127. The next prime is 155344443169. The reversal of 155344443130 is 31344443551.

It can be written as a sum of positive squares in 2 ways, for example, as 154529968609 + 814474521 = 393103^2 + 28539^2 .

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

It is a super-2 number, since 2×155344443130² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155344443130.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7767222147 + ... + 7767222166.

Almost surely, 2^155344443130 is an apocalyptic number.

155344443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155344443130 is a deficient number, since it is larger than the sum of its proper divisors (124275554522).

155344443130 is a wasteful number, since it uses less digits than its factorization.

155344443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15534444320.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 155344443130 its reverse (31344443551), we get a palindrome (186688886681).

The spelling of 155344443130 in words is "one hundred fifty-five billion, three hundred forty-four million, four hundred forty-three thousand, one hundred thirty".