Search a number
-
+
145230230 = 2514523023
BaseRepresentation
bin10001010100000…
…00100110010110
3101010021110102102
420222000212112
5244134331410
622224442102
73412302515
oct1052004626
9333243372
10145230230
1174a84692
1240779332
132411bb62
141540667c
15cb3b2a5
hex8a80996

145230230 has 8 divisors (see below), whose sum is σ = 261414432. Its totient is φ = 58092088.

The previous prime is 145230227. The next prime is 145230233. The reversal of 145230230 is 32032541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145230227) and next prime (145230233).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261502 + ... + 7261521.

It is an arithmetic number, because the mean of its divisors is an integer number (32676804).

Almost surely, 2145230230 is an apocalyptic number.

145230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145230230 is a deficient number, since it is larger than the sum of its proper divisors (116184202).

145230230 is a wasteful number, since it uses less digits than its factorization.

145230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523030.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145230230 is about 12051.1505674769. The cubic root of 145230230 is about 525.6366939015.

Adding to 145230230 its reverse (32032541), we get a palindrome (177262771).

The spelling of 145230230 in words is "one hundred forty-five million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 14523023 29046046 72615115 145230230