155202130 has 8 divisors (see below), whose sum is σ = 279363852. Its totient is φ = 62080848.

The previous prime is 155202107. The next prime is 155202149. The reversal of 155202130 is 31202551.

It can be written as a sum of positive squares in 2 ways, for example, as 155176849 + 25281 = 12457^2 + 159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155202098 and 155202107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760097 + ... + 7760116.

Almost surely, 2^155202130 is an apocalyptic number.

155202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155202130 is a deficient number, since it is larger than the sum of its proper divisors (124161722).

155202130 is a wasteful number, since it uses less digits than its factorization.

155202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15520220.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 155202130 is about 12458.0146893476. The cubic root of 155202130 is about 537.4019348767.

Adding to 155202130 its reverse (31202551), we get a palindrome (186404681).

The spelling of 155202130 in words is "one hundred fifty-five million, two hundred two thousand, one hundred thirty".