155544513142 has 16 divisors (see below), whose sum is σ = 235173998592. Its totient is φ = 77153285160.

The previous prime is 155544513139. The next prime is 155544513167. The reversal of 155544513142 is 241315445551.

It is a junction number, because it is equal to n+sod(n) for n = 155544513095 and 155544513104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474167 + ... + 4508797.

It is an arithmetic number, because the mean of its divisors is an integer number (14698374912).

Almost surely, 2^155544513142 is an apocalyptic number.

155544513142 is a deficient number, since it is larger than the sum of its proper divisors (79629485450).

155544513142 is a wasteful number, since it uses less digits than its factorization.

155544513142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52443.

The product of its digits is 240000, while the sum is 40.

Adding to 155544513142 its reverse (241315445551), we get a palindrome (396859958693).

The spelling of 155544513142 in words is "one hundred fifty-five billion, five hundred forty-four million, five hundred thirteen thousand, one hundred forty-two".