155360042 has 12 divisors (see below), whose sum is σ = 247555590. Its totient is φ = 73110336.

The previous prime is 155359969. The next prime is 155360071. The reversal of 155360042 is 240063551.

155360042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 123899161 + 31460881 = 11131^2 + 5609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155359993 and 155360020.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133817 + ... + 134972.

Almost surely, 2^155360042 is an apocalyptic number.

155360042 is a deficient number, since it is larger than the sum of its proper divisors (92195548).

155360042 is a wasteful number, since it uses less digits than its factorization.

155360042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268825 (or 268808 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 155360042 is about 12464.3508455114. The cubic root of 155360042 is about 537.5841348016.

The spelling of 155360042 in words is "one hundred fifty-five million, three hundred sixty thousand, forty-two".