155145535808 has 28 divisors (see below), whose sum is σ = 308494005312. Its totient is φ = 77414762880.

The previous prime is 155145535781. The next prime is 155145535837. The reversal of 155145535808 is 808535541551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437160 + ... + 2500007.

Almost surely, 2^155145535808 is an apocalyptic number.

It is an amenable number.

155145535808 is a deficient number, since it is larger than the sum of its proper divisors (153348469504).

155145535808 is an equidigital number, since it uses as much as digits as its factorization.

155145535808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937670 (or 4937660 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 50.

The spelling of 155145535808 in words is "one hundred fifty-five billion, one hundred forty-five million, five hundred thirty-five thousand, eight hundred eight".