155236012 has 6 divisors (see below), whose sum is σ = 271663028. Its totient is φ = 77618004.

The previous prime is 155236009. The next prime is 155236069. The reversal of 155236012 is 210632551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19404498 + ... + 19404505.

Almost surely, 2^155236012 is an apocalyptic number.

It is an amenable number.

155236012 is a deficient number, since it is larger than the sum of its proper divisors (116427016).

155236012 is a wasteful number, since it uses less digits than its factorization.

155236012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38809007 (or 38809005 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155236012 is about 12459.3744626285. The cubic root of 155236012 is about 537.4410385658.

Adding to 155236012 its reverse (210632551), we get a palindrome (365868563).

The spelling of 155236012 in words is "one hundred fifty-five million, two hundred thirty-six thousand, twelve".