155239006 has 48 divisors (see below), whose sum is σ = 277223040. Its totient is φ = 64864800.

The previous prime is 155238991. The next prime is 155239009. The reversal of 155239006 is 600932551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155239009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147181 + ... + 148231.

It is an arithmetic number, because the mean of its divisors is an integer number (5775480).

Almost surely, 2^155239006 is an apocalyptic number.

155239006 is a deficient number, since it is larger than the sum of its proper divisors (121984034).

155239006 is a wasteful number, since it uses less digits than its factorization.

155239006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 155239006 is about 12459.4946125435. The cubic root of 155239006 is about 537.4444937093. Note that the first 4 decimals are identical.

The spelling of 155239006 in words is "one hundred fifty-five million, two hundred thirty-nine thousand, six".