155236406 has 16 divisors (see below), whose sum is σ = 258857088. Its totient is φ = 69336000.

The previous prime is 155236331. The next prime is 155236409. The reversal of 155236406 is 604632551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155236409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95495 + ... + 97106.

It is an arithmetic number, because the mean of its divisors is an integer number (16178568).

Almost surely, 2^155236406 is an apocalyptic number.

155236406 is a deficient number, since it is larger than the sum of its proper divisors (103620682).

155236406 is a wasteful number, since it uses less digits than its factorization.

155236406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192647.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 155236406 is about 12459.3902740062. The cubic root of 155236406 is about 537.4414932532.

Adding to 155236406 its reverse (604632551), we get a palindrome (759868957).

The spelling of 155236406 in words is "one hundred fifty-five million, two hundred thirty-six thousand, four hundred six".