155240130 has 16 divisors (see below), whose sum is σ = 372576384. Its totient is φ = 41397360.

The previous prime is 155240117. The next prime is 155240143. The reversal of 155240130 is 31042551.

It is an interprime number because it is at equal distance from previous prime (155240117) and next prime (155240143).

It is a junction number, because it is equal to n+sod(n) for n = 155240097 and 155240106.

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, 2587306 + ... + 2587365.

It is an arithmetic number, because the mean of its divisors is an integer number (23286024).

Almost surely, 2^155240130 is an apocalyptic number.

155240130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155240130 is an abundant number, since it is smaller than the sum of its proper divisors (217336254).

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

155240130 is a wasteful number, since it uses less digits than its factorization.

155240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174681.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155240130 is about 12459.5397186252. The cubic root of 155240130 is about 537.4457908192.

Adding to 155240130 its reverse (31042551), we get a palindrome (186282681).

The spelling of 155240130 in words is "one hundred fifty-five million, two hundred forty thousand, one hundred thirty".