155355673 has 16 divisors (see below), whose sum is σ = 182502720. Its totient is φ = 130662400.

The previous prime is 155355659. The next prime is 155355709. The reversal of 155355673 is 376553551.

It is a de Polignac number, because none of the positive numbers 2^k-155355673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155355073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993 + ... + 18073.

It is an arithmetic number, because the mean of its divisors is an integer number (11406420).

Almost surely, 2^155355673 is an apocalyptic number.

It is an amenable number.

155355673 is a deficient number, since it is larger than the sum of its proper divisors (27147047).

155355673 is a wasteful number, since it uses less digits than its factorization.

155355673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14168.

The product of its digits is 236250, while the sum is 40.

The square root of 155355673 is about 12464.1755844500. The cubic root of 155355673 is about 537.5790954811.

The spelling of 155355673 in words is "one hundred fifty-five million, three hundred fifty-five thousand, six hundred seventy-three".