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145938234 = 231317110059
BaseRepresentation
bin10001011001011…
…01011100111010
3101011121102121210
420230231130322
5244330010414
622251543550
73421311621
oct1054553472
9334542553
10145938234
1175418612
1240a5abb6
13243091b0
141554c6b8
15cc2ae59
hex8b2d73a

145938234 has 32 divisors (see below), whose sum is σ = 332821440. Its totient is φ = 42262272.

The previous prime is 145938227. The next prime is 145938239. The reversal of 145938234 is 432839541.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145938192 and 145938201.

It is not an unprimeable number, because it can be changed into a prime (145938239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53704 + ... + 56355.

It is an arithmetic number, because the mean of its divisors is an integer number (10400670).

Almost surely, 2145938234 is an apocalyptic number.

145938234 is an abundant number, since it is smaller than the sum of its proper divisors (186883206).

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

145938234 is a wasteful number, since it uses less digits than its factorization.

145938234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110094.

The product of its digits is 103680, while the sum is 39.

The square root of 145938234 is about 12080.4898079507. The cubic root of 145938234 is about 526.4894772380.

It can be divided in two parts, 1459 and 38234, that added together give a palindrome (39693).

The spelling of 145938234 in words is "one hundred forty-five million, nine hundred thirty-eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 110059 220118 330177 660354 1430767 1871003 2861534 3742006 4292301 5613009 8584602 11226018 24323039 48646078 72969117 145938234