145915230 has 16 divisors (see below), whose sum is σ = 350196624. Its totient is φ = 38910720.

The previous prime is 145915229. The next prime is 145915241. The reversal of 145915230 is 32519541.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4863841 = 145915230 / (1 + 4 + 5 + 9 + 1 + 5 + 2 + 3 + 0).

It is a congruent number.

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, 2431891 + ... + 2431950.

It is an arithmetic number, because the mean of its divisors is an integer number (21887289).

Almost surely, 2^145915230 is an apocalyptic number.

145915230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145915230 is an abundant number, since it is smaller than the sum of its proper divisors (204281394).

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

145915230 is a wasteful number, since it uses less digits than its factorization.

145915230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863851.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 145915230 is about 12079.5376567152. The cubic root of 145915230 is about 526.4618125655.

The spelling of 145915230 in words is "one hundred forty-five million, nine hundred fifteen thousand, two hundred thirty".