155012046 has 16 divisors (see below), whose sum is σ = 354313344. Its totient is φ = 44289144.

The previous prime is 155012029. The next prime is 155012083. The reversal of 155012046 is 640210551.

155012046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155012046² = 48057468810212232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845340 + ... + 1845423.

It is an arithmetic number, because the mean of its divisors is an integer number (22144584).

Almost surely, 2^155012046 is an apocalyptic number.

155012046 is an abundant number, since it is smaller than the sum of its proper divisors (199301298).

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

155012046 is a wasteful number, since it uses less digits than its factorization.

155012046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690775.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 155012046 is about 12450.3833675915. The cubic root of 155012046 is about 537.1824506871.

Adding to 155012046 its reverse (640210551), we get a palindrome (795222597).

The spelling of 155012046 in words is "one hundred fifty-five million, twelve thousand, forty-six".