155433542 has 16 divisors (see below), whose sum is σ = 260550864. Its totient is φ = 68928000.

The previous prime is 155433541. The next prime is 155433557. The reversal of 155433542 is 245334551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155433499 and 155433508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155433541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85259 + ... + 87062.

It is an arithmetic number, because the mean of its divisors is an integer number (16284429).

Almost surely, 2^155433542 is an apocalyptic number.

155433542 is a deficient number, since it is larger than the sum of its proper divisors (105117322).

155433542 is a wasteful number, since it uses less digits than its factorization.

155433542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172375.

The product of its digits is 36000, while the sum is 32.

The square root of 155433542 is about 12467.2989055368. The cubic root of 155433542 is about 537.6688974900.

The spelling of 155433542 in words is "one hundred fifty-five million, four hundred thirty-three thousand, five hundred forty-two".