145552130 has 64 divisors (see below), whose sum is σ = 291133440. Its totient is φ = 52147200.

The previous prime is 145552129. The next prime is 145552133. The reversal of 145552130 is 31255541.

It is a self number, because there is not a number n which added to its sum of digits gives 145552130.

It is not an unprimeable number, because it can be changed into a prime (145552133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373976 + ... + 374364.

It is an arithmetic number, because the mean of its divisors is an integer number (4548960).

Almost surely, 2^145552130 is an apocalyptic number.

145552130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145552130 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

145552130 is a wasteful number, since it uses less digits than its factorization.

145552130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

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

The square root of 145552130 is about 12064.4987463218. The cubic root of 145552130 is about 526.0247618543.

The spelling of 145552130 in words is "one hundred forty-five million, five hundred fifty-two thousand, one hundred thirty".