155542010 has 32 divisors (see below), whose sum is σ = 319252752. Its totient is φ = 54051840.

The previous prime is 155542003. The next prime is 155542021. The reversal of 155542010 is 10245551.

It is a happy number.

155542010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 45144961 + 110397049 = 6719^2 + 10507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32981 + ... + 37400.

Almost surely, 2^155542010 is an apocalyptic number.

155542010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155542010 is an abundant number, since it is smaller than the sum of its proper divisors (163710742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155542010 is a wasteful number, since it uses less digits than its factorization.

155542010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70418.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 155542010 is about 12471.6482471244. The cubic root of 155542010 is about 537.7939376593.

Adding to 155542010 its reverse (10245551), we get a palindrome (165787561).

The spelling of 155542010 in words is "one hundred fifty-five million, five hundred forty-two thousand, ten".