155283479 has 8 divisors (see below), whose sum is σ = 168352800. Its totient is φ = 142374816.

The previous prime is 155283467. The next prime is 155283493. The reversal of 155283479 is 974382551.

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

It is a cyclic number.

It is not a de Polignac number, because 155283479 - 2⁸ = 155283223 is a prime.

It is a super-2 number, since 2×155283479² = 48225917700686882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155283439) 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 7 ways as a sum of consecutive naturals, for example, 38147 + ... + 42020.

It is an arithmetic number, because the mean of its divisors is an integer number (21044100).

Almost surely, 2^155283479 is an apocalyptic number.

155283479 is a deficient number, since it is larger than the sum of its proper divisors (13069321).

155283479 is a wasteful number, since it uses less digits than its factorization.

155283479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80329.

The product of its digits is 302400, while the sum is 44.

The square root of 155283479 is about 12461.2791879486. The cubic root of 155283479 is about 537.4958113248.

The spelling of 155283479 in words is "one hundred fifty-five million, two hundred eighty-three thousand, four hundred seventy-nine".