155039097 has 8 divisors (see below), whose sum is σ = 206858944. Its totient is φ = 103289328.

The previous prime is 155039089. The next prime is 155039111. The reversal of 155039097 is 790930551.

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

It is not a de Polignac number, because 155039097 - 2³ = 155039089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155039047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12118 + ... + 21375.

It is an arithmetic number, because the mean of its divisors is an integer number (25857368).

Almost surely, 2^155039097 is an apocalyptic number.

It is an amenable number.

155039097 is a deficient number, since it is larger than the sum of its proper divisors (51819847).

155039097 is a wasteful number, since it uses less digits than its factorization.

155039097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35039.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 155039097 is about 12451.4696722917. The cubic root of 155039097 is about 537.2136965970.

The spelling of 155039097 in words is "one hundred fifty-five million, thirty-nine thousand, ninety-seven".