155014042 has 4 divisors (see below), whose sum is σ = 232521066. Its totient is φ = 77507020.

The previous prime is 155014039. The next prime is 155014061. The reversal of 155014042 is 240410551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 52983841 = 10101^2 + 7279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38753509 + ... + 38753512.

Almost surely, 2^155014042 is an apocalyptic number.

155014042 is a deficient number, since it is larger than the sum of its proper divisors (77507024).

155014042 is an equidigital number, since it uses as much as digits as its factorization.

155014042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77507023.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 155014042 is about 12450.4635255078. The cubic root of 155014042 is about 537.1847563392.

Adding to 155014042 its reverse (240410551), we get a palindrome (395424593).

The spelling of 155014042 in words is "one hundred fifty-five million, fourteen thousand, forty-two".