155142141 has 32 divisors (see below), whose sum is σ = 266803200. Its totient is φ = 77810880.

The previous prime is 155142131. The next prime is 155142223. The reversal of 155142141 is 141241551.

It is not a de Polignac number, because 155142141 - 2¹¹ = 155140093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155142101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4881 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (8337600).

Almost surely, 2^155142141 is an apocalyptic number.

155142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155142141 is a deficient number, since it is larger than the sum of its proper divisors (111661059).

155142141 is a wasteful number, since it uses less digits than its factorization.

155142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23209.

The product of its digits is 800, while the sum is 24.

The square root of 155142141 is about 12455.6068097865. The cubic root of 155142141 is about 537.3326867739.

Adding to 155142141 its reverse (141241551), we get a palindrome (296383692).

The spelling of 155142141 in words is "one hundred fifty-five million, one hundred forty-two thousand, one hundred forty-one".