155348366 has 4 divisors (see below), whose sum is σ = 233022552. Its totient is φ = 77674182.

The previous prime is 155348341. The next prime is 155348381. The reversal of 155348366 is 663843551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663843551 = 7 ⋅94834793.

It is a super-2 number, since 2×155348366² = 48266229637739912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38837090 + ... + 38837093.

It is an arithmetic number, because the mean of its divisors is an integer number (58255638).

Almost surely, 2^155348366 is an apocalyptic number.

155348366 is a deficient number, since it is larger than the sum of its proper divisors (77674186).

155348366 is an equidigital number, since it uses as much as digits as its factorization.

155348366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77674185.

The product of its digits is 259200, while the sum is 41.

The square root of 155348366 is about 12463.8824609349. The cubic root of 155348366 is about 537.5706671825.

The spelling of 155348366 in words is "one hundred fifty-five million, three hundred forty-eight thousand, three hundred sixty-six".