155340145039 has 4 divisors (see below), whose sum is σ = 155423083456. Its totient is φ = 155257206624.

The previous prime is 155340145031. The next prime is 155340145097. The reversal of 155340145039 is 930541043551.

It is a happy number.

155340145039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155340145039 - 2³ = 155340145031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155340144992 and 155340145010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155340145031) 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 3 ways as a sum of consecutive naturals, for example, 41466399 + ... + 41470144.

It is an arithmetic number, because the mean of its divisors is an integer number (38855770864).

Almost surely, 2^155340145039 is an apocalyptic number.

155340145039 is a deficient number, since it is larger than the sum of its proper divisors (82938417).

155340145039 is an equidigital number, since it uses as much as digits as its factorization.

155340145039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82938416.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 155340145039 in words is "one hundred fifty-five billion, three hundred forty million, one hundred forty-five thousand, thirty-nine".