155329934 has 4 divisors (see below), whose sum is σ = 232994904. Its totient is φ = 77664966.

The previous prime is 155329931. The next prime is 155329939. The reversal of 155329934 is 439923551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439923551 = 151 ⋅2913401.

It is a junction number, because it is equal to n+sod(n) for n = 155329891 and 155329900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155329931) 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 as a sum of consecutive naturals, namely, 38832482 + ... + 38832485.

It is an arithmetic number, because the mean of its divisors is an integer number (58248726).

Almost surely, 2^155329934 is an apocalyptic number.

155329934 is a deficient number, since it is larger than the sum of its proper divisors (77664970).

155329934 is an equidigital number, since it uses as much as digits as its factorization.

155329934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77664969.

The product of its digits is 145800, while the sum is 41.

The square root of 155329934 is about 12463.1430225285. The cubic root of 155329934 is about 537.5494055181.

The spelling of 155329934 in words is "one hundred fifty-five million, three hundred twenty-nine thousand, nine hundred thirty-four".