155382046 has 16 divisors (see below), whose sum is σ = 242812080. Its totient is φ = 74509120.

The previous prime is 155382001. The next prime is 155382049. The reversal of 155382046 is 640283551.

It is a super-2 number, since 2×155382046² = 48287160438292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155382049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11221 + ... + 20896.

It is an arithmetic number, because the mean of its divisors is an integer number (15175755).

Almost surely, 2^155382046 is an apocalyptic number.

155382046 is a deficient number, since it is larger than the sum of its proper divisors (87430034).

155382046 is a wasteful number, since it uses less digits than its factorization.

155382046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32219.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 155382046 is about 12465.2334915957. The cubic root of 155382046 is about 537.6095133625.

The spelling of 155382046 in words is "one hundred fifty-five million, three hundred eighty-two thousand, forty-six".