155056084 has 6 divisors (see below), whose sum is σ = 271348154. Its totient is φ = 77528040.

The previous prime is 155056063. The next prime is 155056091. The reversal of 155056084 is 480650551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 153016900 + 2039184 = 12370^2 + 1428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382007 + ... + 19382014.

Almost surely, 2^155056084 is an apocalyptic number.

It is an amenable number.

155056084 is a deficient number, since it is larger than the sum of its proper divisors (116292070).

155056084 is a wasteful number, since it uses less digits than its factorization.

155056084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764025 (or 38764023 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 155056084 is about 12452.1517819211. The cubic root of 155056084 is about 537.2333159833.

The spelling of 155056084 in words is "one hundred fifty-five million, fifty-six thousand, eighty-four".