155448936039 has 8 divisors (see below), whose sum is σ = 216276780672. Its totient is φ = 99126857720.

The previous prime is 155448936023. The next prime is 155448936043. The reversal of 155448936039 is 930639844551.

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

It is a cyclic number.

It is not a de Polignac number, because 155448936039 - 2⁴ = 155448936023 is a prime.

It is a super-2 number, since 2×155448936039² (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 155448936039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155448946039) 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, 1126441497 + ... + 1126441634.

It is an arithmetic number, because the mean of its divisors is an integer number (27034597584).

Almost surely, 2^155448936039 is an apocalyptic number.

155448936039 is a deficient number, since it is larger than the sum of its proper divisors (60827844633).

155448936039 is a wasteful number, since it uses less digits than its factorization.

155448936039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252883157.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 155448936039 in words is "one hundred fifty-five billion, four hundred forty-eight million, nine hundred thirty-six thousand, thirty-nine".