155452130 has 16 divisors (see below), whose sum is σ = 282586104. Its totient is φ = 61564800.

The previous prime is 155452051. The next prime is 155452139. The reversal of 155452130 is 31254551.

It can be written as a sum of positive squares in 4 ways, for example, as 126540001 + 28912129 = 11249^2 + 5377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155452130.

It is not an unprimeable number, because it can be changed into a prime (155452139) 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, 75947 + ... + 77966.

Almost surely, 2^155452130 is an apocalyptic number.

155452130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155452130 is a deficient number, since it is larger than the sum of its proper divisors (127133974).

155452130 is a wasteful number, since it uses less digits than its factorization.

155452130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154021.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155452130 is about 12468.0443534662. The cubic root of 155452130 is about 537.6903295674.

It can be divided in two parts, 1554521 and 30, that added together give a palindrome (1554551).

The spelling of 155452130 in words is "one hundred fifty-five million, four hundred fifty-two thousand, one hundred thirty".