155106340 has 24 divisors (see below), whose sum is σ = 330587712. Its totient is φ = 61116000.

The previous prime is 155106337. The next prime is 155106377. The reversal of 155106340 is 43601551.

155106340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 56536 + ... + 59215.

It is an arithmetic number, because the mean of its divisors is an integer number (13774488).

Almost surely, 2^155106340 is an apocalyptic number.

155106340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155106340 is an abundant number, since it is smaller than the sum of its proper divisors (175481372).

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

155106340 is a wasteful number, since it uses less digits than its factorization.

155106340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115827 (or 115825 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155106340 is about 12454.1695829148. The cubic root of 155106340 is about 537.2913515027.

Adding to 155106340 its reverse (43601551), we get a palindrome (198707891).

The spelling of 155106340 in words is "one hundred fifty-five million, one hundred six thousand, three hundred forty".