155142124 has 12 divisors (see below), whose sum is σ = 271587400. Its totient is φ = 77545728.

The previous prime is 155142103. The next prime is 155142131. The reversal of 155142124 is 421241551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16972 + ... + 24460.

Almost surely, 2^155142124 is an apocalyptic number.

It is an amenable number.

155142124 is a deficient number, since it is larger than the sum of its proper divisors (116445276).

155142124 is a wasteful number, since it uses less digits than its factorization.

155142124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672 (or 12670 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 155142124 is about 12455.6061273629. The cubic root of 155142124 is about 537.3326671475.

Adding to 155142124 its reverse (421241551), we get a palindrome (576383675).

The spelling of 155142124 in words is "one hundred fifty-five million, one hundred forty-two thousand, one hundred twenty-four".