155315841 has 8 divisors (see below), whose sum is σ = 207152640. Its totient is φ = 103511472.

The previous prime is 155315813. The next prime is 155315857. The reversal of 155315841 is 148513551.

It is a happy number.

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

It is not a de Polignac number, because 155315841 - 2¹¹ = 155313793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155315891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7200 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (25894080).

Almost surely, 2^155315841 is an apocalyptic number.

It is an amenable number.

155315841 is a deficient number, since it is larger than the sum of its proper divisors (51836799).

155315841 is a wasteful number, since it uses less digits than its factorization.

155315841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16215.

The product of its digits is 12000, while the sum is 33.

The square root of 155315841 is about 12462.5776226269. The cubic root of 155315841 is about 537.5331478385.

The spelling of 155315841 in words is "one hundred fifty-five million, three hundred fifteen thousand, eight hundred forty-one".