155012010 has 16 divisors (see below), whose sum is σ = 372028896. Its totient is φ = 41336528.

The previous prime is 155011999. The next prime is 155012017. The reversal of 155012010 is 10210551.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (155012017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583504 + ... + 2583563.

It is an arithmetic number, because the mean of its divisors is an integer number (23251806).

Almost surely, 2^155012010 is an apocalyptic number.

155012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155012010 is an abundant number, since it is smaller than the sum of its proper divisors (217016886).

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

155012010 is a wasteful number, since it uses less digits than its factorization.

155012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5167077.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 155012010 is about 12450.3819218528. The cubic root of 155012010 is about 537.1824091020.

Adding to 155012010 its reverse (10210551), we get a palindrome (165222561).

The spelling of 155012010 in words is "one hundred fifty-five million, twelve thousand, ten".