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145630142 = 2710402153
BaseRepresentation
bin10001010111000…
…10001110111110
3101011000202222222
420223202032332
5244240131032
622241205342
73415556450
oct1053421676
9334022888
10145630142
1175228099
1240930852
132422bba8
14154ac2d0
15cbb9a12
hex8ae23be

145630142 has 8 divisors (see below), whose sum is σ = 249651696. Its totient is φ = 62412912.

The previous prime is 145630127. The next prime is 145630171. The reversal of 145630142 is 241036541.

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

It is a congruent number.

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, 5201063 + ... + 5201090.

It is an arithmetic number, because the mean of its divisors is an integer number (31206462).

Almost surely, 2145630142 is an apocalyptic number.

145630142 is a deficient number, since it is larger than the sum of its proper divisors (104021554).

145630142 is a wasteful number, since it uses less digits than its factorization.

145630142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402162.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 145630142 is about 12067.7314355267. The cubic root of 145630142 is about 526.1187234118.

Adding to 145630142 its reverse (241036541), we get a palindrome (386666683).

The spelling of 145630142 in words is "one hundred forty-five million, six hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7 14 10402153 20804306 72815071 145630142