155120408 has 16 divisors (see below), whose sum is σ = 306159000. Its totient is φ = 73478016.

The previous prime is 155120387. The next prime is 155120419. The reversal of 155120408 is 804021551.

It is a congruent number.

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, 510113 + ... + 510416.

Almost surely, 2^155120408 is an apocalyptic number.

It is an amenable number.

155120408 is a deficient number, since it is larger than the sum of its proper divisors (151038592).

155120408 is a wasteful number, since it uses less digits than its factorization.

155120408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020554 (or 1020550 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 155120408 is about 12454.7343608766. The cubic root of 155120408 is about 537.3075949526.

Adding to 155120408 its reverse (804021551), we get a palindrome (959141959).

The spelling of 155120408 in words is "one hundred fifty-five million, one hundred twenty thousand, four hundred eight".