155144445340 has 48 divisors (see below), whose sum is σ = 337109673600. Its totient is φ = 59905101312.

The previous prime is 155144445307. The next prime is 155144445349. The reversal of 155144445340 is 43544441551.

155144445340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155144445293 and 155144445302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155144445349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970976 + ... + 3022744.

It is an arithmetic number, because the mean of its divisors is an integer number (7023118200).

Almost surely, 2^155144445340 is an apocalyptic number.

155144445340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155144445340 is an abundant number, since it is smaller than the sum of its proper divisors (181965228260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155144445340 is a wasteful number, since it uses less digits than its factorization.

155144445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56974 (or 56972 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 155144445340 its reverse (43544441551), we get a palindrome (198688886891).

The spelling of 155144445340 in words is "one hundred fifty-five billion, one hundred forty-four million, four hundred forty-five thousand, three hundred forty".