155271316 has 6 divisors (see below), whose sum is σ = 271724810. Its totient is φ = 77635656.

The previous prime is 155271301. The next prime is 155271329. The reversal of 155271316 is 613172551.

It can be written as a sum of positive squares in only one way, i.e., 125350416 + 29920900 = 11196^2 + 5470^2 .

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, 19408911 + ... + 19408918.

Almost surely, 2^155271316 is an apocalyptic number.

It is an amenable number.

155271316 is a deficient number, since it is larger than the sum of its proper divisors (116453494).

155271316 is a wasteful number, since it uses less digits than its factorization.

155271316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38817833 (or 38817831 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 155271316 is about 12460.7911466327. The cubic root of 155271316 is about 537.4817773523.

The spelling of 155271316 in words is "one hundred fifty-five million, two hundred seventy-one thousand, three hundred sixteen".