155450533 has 32 divisors (see below), whose sum is σ = 199584000. Its totient is φ = 117863424.

The previous prime is 155450531. The next prime is 155450549. The reversal of 155450533 is 335054551.

It is not a de Polignac number, because 155450533 - 2¹ = 155450531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155450495 and 155450504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155450531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445243 + ... + 445591.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^155450533 is an apocalyptic number.

It is an amenable number.

155450533 is a deficient number, since it is larger than the sum of its proper divisors (44133467).

155450533 is a wasteful number, since it uses less digits than its factorization.

155450533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 155450533 is about 12467.9803095770. The cubic root of 155450533 is about 537.6884882837.

The spelling of 155450533 in words is "one hundred fifty-five million, four hundred fifty thousand, five hundred thirty-three".