155144851 has 6 divisors (see below), whose sum is σ = 156392340. Its totient is φ = 153907236.

The previous prime is 155144767. The next prime is 155144897. The reversal of 155144851 is 158441551.

It is not a de Polignac number, because 155144851 - 2⁷ = 155144723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155144051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11320 + ... + 20938.

It is an arithmetic number, because the mean of its divisors is an integer number (26065390).

Almost surely, 2^155144851 is an apocalyptic number.

155144851 is a deficient number, since it is larger than the sum of its proper divisors (1247489).

155144851 is an frugal number, since it uses more digits than its factorization.

155144851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873 (or 9746 counting only the distinct ones).

The product of its digits is 16000, while the sum is 34.

The square root of 155144851 is about 12455.7155956613. The cubic root of 155144851 is about 537.3358154383.

The spelling of 155144851 in words is "one hundred fifty-five million, one hundred forty-four thousand, eight hundred fifty-one".