155271545 has 16 divisors (see below), whose sum is σ = 218901312. Its totient is φ = 104237760.

The previous prime is 155271527. The next prime is 155271547. The reversal of 155271545 is 545172551.

It is not a de Polignac number, because 155271545 - 2⁸ = 155271289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155271547) 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 15 ways as a sum of consecutive naturals, for example, 107867 + ... + 109296.

It is an arithmetic number, because the mean of its divisors is an integer number (13681332).

Almost surely, 2^155271545 is an apocalyptic number.

It is an amenable number.

155271545 is a deficient number, since it is larger than the sum of its proper divisors (63629767).

155271545 is a wasteful number, since it uses less digits than its factorization.

155271545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217192.

The product of its digits is 35000, while the sum is 35.

The square root of 155271545 is about 12460.8003354520. The cubic root of 155271545 is about 537.4820415850.

The spelling of 155271545 in words is "one hundred fifty-five million, two hundred seventy-one thousand, five hundred forty-five".