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145311310 = 2547309173
BaseRepresentation
bin10001010100101…
…00011001001110
3101010102120122101
420222110121032
5244144430220
622230305314
73413061064
oct1052243116
9333376571
10145311310
117502a5a1
12407b823a
1324149a31
1415428034
15cb5530a
hex8a9464e

145311310 has 16 divisors (see below), whose sum is σ = 267126336. Its totient is φ = 56887648.

The previous prime is 145311307. The next prime is 145311323. The reversal of 145311310 is 13113541.

It is a super-2 number, since 2×1453113102 = 42230753627832200, which contains 22 as substring.

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, 154117 + ... + 155056.

It is an arithmetic number, because the mean of its divisors is an integer number (16695396).

Almost surely, 2145311310 is an apocalyptic number.

145311310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145311310 is a deficient number, since it is larger than the sum of its proper divisors (121815026).

145311310 is a wasteful number, since it uses less digits than its factorization.

145311310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309227.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 145311310 is about 12054.5140922395. The cubic root of 145311310 is about 525.7344942343.

Adding to 145311310 its reverse (13113541), we get a palindrome (158424851).

The spelling of 145311310 in words is "one hundred forty-five million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 47 94 235 470 309173 618346 1545865 3091730 14531131 29062262 72655655 145311310